Physics question and answers for November 05, 2023
- Q Water is filled in a container upto a height of 5cm There is a concave mirror of radius of curvature 40 cm A person just above the surface observes images...
- Q A ray incident on a plane mirror at angle i and produced a net deviation of 8 between incident ray and reflected ray Choose the correct graph between the deviation...
- Q 16 A spider is hanging above the north pole of a transparent globe diameter d at a distance d 3 from the centre of the globe Refracti index of the...
- Q The bottom of the beaker is silvered which contains water of refractive index upto a height 2H 4 3 A fish is at a height H from the bottom of...
- Q 35 A ray of light makes normal incidence on the diagonal face of a right angled prism as shown in figure If 9 3 37 then the angle of deviation...
- Q Example 9 30 A concave mirror of radius of curvature two metre is placed at the bottom of a tank of water The mirror forms an image of the sun...
- Q The image shown above is a O concave diverge concave converge convex converge convex diverge lens and it will cause light rays to
- Q 2 In a setup of displacement method experiment distance between the screen and a light source is 120 cm and the lens used has a small aperture By moving the...
- Q A small object is placed infront of arrangement shown Find distance of final image from the lens in cm 3 cm 1 5 Object f 10 cm 15 cm Lens...
- Q 1 A research submarine has a circular glass window in its bottom to observe the seabed Radius of the window is r 30 cm thickness of the glass is t...
- Q A lens with a focal length of 20 cm is used to project an image onto a screen If the original object is 26 cm away from the lens how...
- Q 16 For a ray of light passing through prism which of the following statements is true in case of i and d O As i increases decreases continuously O As...
- Q A ray of light enters at grazing angle of incidence into an assembly by three isoscl right angled prisms having refractive indices 2 x and 3 3 If finally emerge...
- Q A biconvex thin lens is prepared from glass 1 5 the two bounding surfaces having equal radii of 25 cm each One of the surfaces is silvered from outside to...
- Q Light passes from air into water How does the angle of incidence compare to the angle Incidence angle Refraction angle Incidence angle Refraction angle Incidence angle Refraction angle
- Q of 10cm Find the total momentum delivered during 10 minutes time span 6 A thin double convex lens of focal length f is broken into two equal halves at the...
- Q 58 Suppose you have three concave mirrors A B and C of focal lengths 10 cm 15 cm and 20 cm or each concave mirror you perform the experiment of...
- Q In Young s double slit experiment if monochromatic light is replaced by white light 1 All bright fringes become white 2 All bright fringes have colours between violet and red...
- Q Example 9 7 A magician during a show makes a glass lens with n 1 47 disappear in a trough of liquid What is the refractive index of the liquid...
- Q 1 A coin 3 00 cm in diameter is embedded in a solid glass sphere of radius 40 0 cm The index of refraction of the sphere is 1 50...
- Q 29 Diameter of a plano convex lens is 6 cm and its thickness at the centre is 3 mm Then the focal length of the lens if the speed of...
- Q A convex lens of focal length f is placed somewhere in between an object and a screen The distance between the object and the screen is x If the numerical...
- Q An object is placed closer to a converging lens than its focal length Can the image be projected onto a screen no because it will be a virtual image O...
- Q A object is placed at a distance of 1 5 m from screen and a convex lens is placed in betwee them which produces 4 times magnified imag on the...
- Q 4 A steel wire is coaxially embedded in a glass tube external diameter of which is much greater than that of the wire Refractive index of the glass is 4...
- Q You use a magnifying glass to focus the sun s light onto a single point and start a fire The magnifying glass must be what kind of lens Converging Orefraction...
- Q A phone is placed at a distance of twice the focal length from a lens What type of image will be produced on the opposite side of the lens that...
- Q A student wants to find the focal length of a magnifying glass The hold the magnifying glass 1 5 meters away from the classroom window and measure how far from...
- Q 09 In which quadrant graph is plotted in case of convex lens and mirror What is the shape of the graph in case of convex lens and concave mirror when...
- Q A thin converging lens of focal length f 1 5m is placed along y axis such that its optical center coincides with the origin A small light source S is...
- Q A parallel light beam falls on a lens which is silvered from back side as shown and both surfaces have radius 25 cm then distance in cm from lens where...
- Q A lensmaker has to design an achromatic combination of effective power 0 8 D The two types of glasses to be used A and B have dispersive powers in the...
- Q A thin equiconvex lens made of material of refractive index 1 5 has a focal length of 10 cm in air One side of the lens is replaced by a...
- Q The objective of an astronomical telescope has a focal length of 80 cm The telescope is focused for normal vision of distant objects when the tube length is 1 0...
- Q A beam of light coming from infinity is passing through a biconvex lens having radius of curvature R 20 cm of each surface is focused at a certain distance from...
- Q 8 A person with myopia has a far point 60cm from her eye What are the refractive powers of the eyeglasses and contact lenses should she wear Assume distance between...
- Q If the polarizing angle of a piece of glass for green light is 54 74 then the angle of minimum deviation for an equilateral prism made of same glass is...
- Q 5 A thin lens with refractive power 15D is placed 40cm after an object Find the location and type of image 1 d2 0 06m image is real 2 d2...
- Q A convex lens forms an image of an object placed in its axis on a screen The height of the image is 9 cm Now the lens is displaced until...
- Q In given arrangement find the distnace of the image formed by concave mirror of very small aperture from the pole of concave mirror in m All mirrors are placed at...
- Q 7 A thin lens placed 30cm after an object form an image 25cm after it Calculate the object and image vergences and find the lens power 1 U 3 33D...
- Q 16 When observed from the earth the angular diameter of the sun is 0 5 degree The diameter of the image of the sun when formed in a concave mirror...
- Q 7 A double convex lens made of glass if refractive index 1 5 has its both surface of equal radii of curvature of 15 cm each An object of 5cm...
- Q An object 2 0m in front of a lens forms a sharp image on a film 10cm behind the lens A glass plate 1cm thick of refractive index 1 50...
- Q If final image formed after two refractions through the lens and one reflection from the mirror is at the same point O then dis A 100 cm C 90 cm...
- Q A microscope is focussed on a mark on a piece of paper and then a slab of glass of thickness 3 cm and refractive index 1 5 is placed over...
- Q 81 blue green red 7 The fig shows a mixture colours incident on a right angled prism The critical angles of the material of prism for red green and blue...
- Q A near sighted person wears eye glass with a power of 55 D for distance vision His doctor prescribe a correction of 1 5D in near vision section of his...
- Q Q 16 A parallel beam of light travelling in x direction is incident on a glass slab of thickness t The refractive index where o is of the slab changes...
- Q An object of height h 3 cm is placed at a distance of 5 cm in front of a convex spherical mirror with focal length of magnitude 10 cm The...
- Q An equi convex thin lens of glass u has focal length in air as 20 cm Now one of its convex face is silvered to make equivalent mirror In case...
- Q Figure shows a thin converging lens for which the focal length is 5cm The lens is in front of a concave spherical mirror of radius R 30 cm If the...
- Q Timinished image of an object is to be obtained on a screen 1 0 m away from it This can be achieved by approximately placing A convex mirror of suitable...
- Q 4 a Suppose lens L1 has a focal length of 5 cm This lens is in direct contact with a second lens L2 If an object is placed 5 cm...
- Q 25 A ray of light travelling in air is incident at angle 0 30 on a long rectangu of a transparent medium The point of incidence is origin O of...
- Q A double concave lens has equal radii of curvature of 15 1 cm An object placed 14 2 cm from the lens forms a virtual image 5 29 cm from...
- Q A light ray strikes a homogeneous rectangular block of glass of thickness w at an angle i The ray emerges at point B at an angle i see diagram below...
- Q A glass slab of refracctive index 2u is sandwiched between two transparent slabs of refractive indices 2 and 3 u respectively as shown in the figure What should be the...
- Q Q 59 A concave spherical surface of radius of curvature 10 cm separates two mediums X and Y of refractive indices 4 3 and 3 2 respectively Centre of curvature...
- Q c Wrap up questions Use the simulation to answer each of the questions below Be sure to include your responses in your lab records 1 Can a real image be...
- Q A glass slab is placed between an object 0 and an observer E with its refracting surfaces AB and CD perpendicular to the line OE The refractive index of the...
- Q ghtly loose to a wire frame as in figure and the frame is dipped into a soap solution and taken out the frame is completely covered with the film When...
- Q v Choose the correct statement a The angle of incidence is greater than the angle of emergence at refracting surface b The angle of incidence is smaller than the angle...
- Q A thin rod of length 10 cm lies along the principal axis of a concave mirror of radius of curvature 20 cm in such a way that the end closer...
- Q A 1 cm B 6 cm A 1 2 cm long pin is placed perpendicular to the principal axis of a convex mirror of length focal 12 cm at a...
- Q Object iii iv V Optical axis Image Question 10 Which of the rays in the diagram are consistent with the formation of the image The image is real Lens V...
- Q A 12 cm B 15 cm C 18 cm A dentist uses a small mirror that gives a magnification of 4 when it is held 0 60 cm from a...
- Q Conceptual Difficulty Medium Concept Included Error Analysis swer A B 60 4m 53s 48 4m 23s 30 Save A light ray is incident on a glass sphere of equation x...
- Q y A biconvex thin lens of radius of curvature R is made up of variable refractive index 2 1 d Assume very small aperture 2d R A point object O...
- Q A small source of light is mounted inside a cylindrical container of height h The bottom of the container is covered with a mirror Initially the container is empty Then...
- Q In column I all the objects x 0 shown are real In column II nature of image is mentioned Rays a paraxial consider all the possibilities of nature of images...
- Q c 3 8 cm 29 Each quarter of a vessel of depth H is filled of the refractive index n n n n from the bottom respectively The apparent depth...
- Q 34 A ray of light is incident at an angle of 45 on one face of a rectangular glass slab of thickness 10cm and refractive index 3 2 Calculate the...
- Q Example 91 A concave lens of focal length 10 cm is placed on the axis of a concave mirror of 10 cm radius at a distance of 5 cm from...
- Q 20 A luminous point object is moving along the principal axis of a concave mirror of focal length 12 cm towards it When its distance from mirror is 20 cm...
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
- Unlimited Question Access with detailed Answers
- Zin AI - 3 Million Words
- 10 Dall-E 3 Images
- 20 Plot Generations
- Conversation with Dialogue Memory
- No Ads, Ever!
- Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!