Physics question and answers for November 11, 2023
- Q A light ray is incident on a transparent sphere of index 2 at an angle of incidence 45 What is the deviation of a tiny fraction of the ray which...
- Q Two convex lenses A and B placed in contact form the image of a distant object at P If the lens B is moved to the right a little the...
- Q The focal length of lens of a camera is 8 cm With it the photograph of an object of 1 m high is taken At what dis tance must the...
- Q 6 The focal length of lens of a camera is 5 cm The distance of the lens from the photographic plate can be changed to obtain the image on the...
- Q 1 By placing a convex lens between an object and a screen an image magnified 3 times of its object is obtained on the screen By shifting the lens through...
- Q 5 A convex lens forms an image of height 1 cm of an object on a screen Keeping the positions of the object and the screen unchanged the lens is...
- Q 36 The image of point P when viewed from top of the slabe will be 1 5 cm p 1 5 1 5 P 1 2 0 cm above P...
- Q 2 If an object is placed in front of a convex lens at two differ ent positions the size of its real image is twice or thrice the size of...
- Q An object is placed on the left side of a convex lens of focal length 16 cm at a distance of 8 cm from the lens Another convex lens of...
- Q A plane mirror of length L moves about one of its ends P with constant angular velocity w anticlockwise A point object O is fixed where OP 2L The image...
- Q wo concave mirrors with equal focal length f are placed one above other at a separation of d Upper mirror has a small hole at its centre as given A...
- Q 1 The image of a film is to be cast on a screen with a magni fication 50 times its height If focal length of the lens is 7 5...
- Q A convex lens of focal length 1 5 m is placed in a system of co ordinate axis such that its optical centre is at origin and principle axis coincide...
- Q Two concave mirrors with equal focal length f are placed one above other at a separation of d Upper mirror has a small hole at its centre as given A...
- Q Consider a system of two lenses L and L2 which are combined as shown 1 1 5 H2 2 0 All curved surfaces have equal radius of curvature of 20...
- Q A glass slab is placed between an object O and observer The refractive index of glass slab varies with distance x from the face AB as o 1 1 where...
- Q glass slab is placed between an object O and observer The refractive index of glass slab varies with distance x from the face AB as Ho oser compared to original...
- Q cross section of the glass prism has form of an isosceles triangle One of the equal faces is coated with silver A ray of light incident normally on the other...
- Q 5 With reference to the figure given below match the items in Column I with terms Column II and choose the correct option from the codes given below Normal Incident...
- Q 3 y A glass slab is kept over three coloured dots viz blue yellow and red If the coloured dots are viewed from the top then the dot appearing closest...
- Q A lens of focal length fis cut along the diameter into two identical halves In this process a layer of the lens t in thickness is lost then the halves...
- Q Three slabs are joined and kept in front of concave mirror of radius of curvature of 3 150 cm The entire system is submerged in water water 20cm kept at...
- Q he path of a ray of light passing through an equilateral prism ABC is shown in the figure The ray of light is incident on face BC at an angle...
- Q e A ray of light from water to glass passes straight without bending 1 1 0 Angel of incidence i900 Angle of itidence is Refractive ide of quid ad glas...
- Q Plane screen 2 Elliptical 4 Hyperbolic 1 Parabolic 3 Circular Young s double slit experiment is performed with monochromatic light A thin film is introduced in front of one of...
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