Physics question and answers for November 03, 2023
- Q Angle of a prism is 30 and its one surface is silvered Light rays falling at an angle of incidence 60 on the first surface returns back through the same...
- Q 5 magnit 4 Real inverted and diminished In compound microscope magnification is 95 and the distance of object from objective lens is 3 cm and focal length of objective is...
- Q 0 4 h Consider the setup shown in the figure which uses a right angled prism to transmit a horizontal incident ray This device is known as anamorphic de magnifier...
- Q a 13 Range of values of tip angle for the device to work as anamorphic de magnifier is 1 1 cos sin hy Consider the setup shown in the figure...
- Q a lens of focal length fis divided into two equal parts and both pieces are put in contact as shown in fig The resultant fo cal lengths of the combinations...
- Q 36 A thin convex lens of focal length 12 cm is placed 6 cm apart from a thin concave lens of focal length 15 cm Find out position of both...
- Q 28 The velocity of image w r t ground in the below figure is 5 m s 20 cm f 30 cm Mirror is at rest given velocity w r...
- Q Height of water that would be filled in a container of height 21 cm so that it appears half filled to the observer when viewed from the top of container...
- Q SINGLE AND DOUBLE VALUE INTEGER TYPE A fluorescent lamp of length 1 m is placed horizontally at a depth of 1 2 m below a ceiling A plane mirror of...
- Q 54 A light ray I is incident on a plane mirror M The mirror is rotated in the direction as shown in the figure by an arrow at frequency 9...
- Q Example 8 9 A rod AB rests with the end A on rough horizontal ground and the end B against a smooth vertical wall The rod is uniform and of...
- Q 6 The graph between u and u for a convex mirror is a c f U I U b d u
- Q 7 A beam of light consisting of red green and blue colours is incident on the surface of a liquid as shown in figure The R I of liquid for...
- Q A point object is placed on principal axis of a concave mirror of radius of curvature 20 cm at a distance 31 cm from poll of the mirror A glass...
- Q A small air bubble is inside a glass cube of side 15 cm When seeing from the top face the bubble appears at a distance of 5 cm and if...
- Q 95 A person can see clearly only upto a distance of 25 cm He wants to read a book placed at a distance of 50 cm What kind of lens...
- Q 12 The time taken by a monochromatic light to travel a certain distance in air in 9 x 10 6 seconds The time take by the light ray to travel...
- Q 14 A transparent cube contains a small air bubble Its apparent distance is 2 cm when seen through one face and 5 cm when seen through other face If the...
- Q Q19 Size of image of an object by a mirror having a focal length of 20 cm is observed to be reduced to 1 3rd of its size At what...
- Q Relation between critical angle refractive index if second medium is air
- Q Answer Q 8 Q 9 and Q 10 by appropriately matching the information given in the three columns of the following table 1 II III IV For convex lens focus...
- Q 4 T 2C 17 The apparent depth of water in cylindrical water tank of diameter 2R cm is reducing at the rate of x cm min when water is being...
- Q 2 A beam of light composed of red and green ray is incident obliquely at a point on the face of rectangular glass slab When coming out on the opposite...
- Q Two plane mirrors are inclined at an angl of 75 to each other Find the total numbe of images formed When an object placed as shown in figure 45 30...
- Q An astronomical telescope consists of two convex lenses If focal length of objective is 1 0m and angular magnification is 10 find the length of the tube between objective and...
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