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BITSAT Ray Optics PYQs with Solutions

31 previous year questions from Ray Optics (BITSAT Physics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

31 questionsPhysics2009–2024Answers + solutions

About Ray Optics PYQs

Ray Optics has 31 previous year questions in the Quantrex Academy BITSAT Physics bank. The 31 questions in this list come from BITSAT (31), spanning 2009 to 2024. Each question opens on its own page with the options, the correct answer and the worked solution where available.

BITSAT Ray Optics PYQs with Solutions

About Ray Optics PYQs

Questions by year (this list)

Ray Optics questions with solutions

Power of biconvex lens is P diopter. When it is cut into two symmetrical halves by a plane containing the principal axis. The ratio of power of two halves is

The magnifying power of a telescope is 9. When it is adjusted for parallel rays, the distance between the objective and eyepiece is 20 cm. The ratio of focal length of objective

In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the

If the distance between object and its two times magnified virtual image produced by a curved mirror is 15 cm , the focal length of the mirror must be:

A thin prism P_1 with an angle 6^ ^ ∘ and made of glass of refractive index 1.54 is combined with another prism P_2 made from glass of refractive index 1.72 to produce dispersion

In a reflecting telescope, a secondary mirror is used to:

A mosquito O is sitting infront of a glass rod having spherical end of radius of curvature 40 cm . The image would be formed at

An achromatic convergent doublet of two lense in contact has a power of +5 D . The power of converging lens is +6 D . The ratio of the dispersive power of the convergent and

Green light of wavelength 5460 Å is incident on an airglass interface. If the refractive index of glass is 1.5 , the wavelength of light in glass would be (c=3 × 10^ 8 ~ms^ -1 )

A vessel of depth 2 d cm is half filled with a liquid of refractive index μ_ 1 and the upper half with a liquid of refractive index μ_ 2 . The apparent depth of the vessel seen

A convex lens of focal length 25 cm produces images of the same magnification 2 , when an object is kept at two positions x _ 1 and x _ 2 ( x _ 1 > x _ 2 ) from the lens. The

In the shown situation, if middle portion of the lens is painted black, then

A convex lens shown in the figure is made up of two types of transparent materials. A point sources of light is placed on its principal axis. If reflections from the boundaries

A planoconvex lens has thickness of 4cm. When placed on a horizontal table, with the curved surface in contact with it, the apparent depth of the bottom most point of the lens is

The focal length of a thin convex lens for red and blue rays are 100 cm and 96. 8cm respectively. Then, the dispersive power of the material of the lens is

A plano-convex lens fits exactly into a plano-concave lens. Their plane surfaces are parallel to each other. If lenses are made of different materials of refractive indices &#956

A biconvex lens has a radius of curvature of magnitude 20 cm . Which one of the following options best describe the image formed of an object of height 2 cm placed 30 cm from the

A ray of light of intensity I is incident on a parallel glass slab at point A as shown in diagram. It undergoes partial reflection and refraction. At each reflection, 25 \% of

For the angle of minimum deviation of a prism to be equal to its refracting angle, the prism must be made of a material whose refractive index:

A lens having focal length f and aperture of diameter d forms an image of intensity I . Aperture of diameter (d)/(2) in central region of lens is covered by a black paper. Focal

A ray parallel to principal axis is incident at 30^ ^ ∘ from normal on concave mirror having radius of curvature R . The point on principal axis where rays are focussed is Q such

A planoconvex lens fits exactly into a planoconcave lens. Their plane surface are parallel to each other. If the lenses are made of different materials of refractive indices μ_ 1

Resolving power of the telescope will be more, if the diameter of the objective is

The magnifying power of a telescope is 9. When it is adjusted for parallel rays, the distance between the objective and the eye piece is found to be 20 cm . The focal length of

When light is refracted, which of the following does not change ?

The given lens is broken into four parts and rearranged as shown. If the initial focal length is f then after rearrangement the equivalent focal length is-

A ray of light is incident at the glass-water interface at an angle i, it emerges finally parallel to the surface of water, then the value of μ_ g would be

A thin convergent glass lens (μ_ g =1.5) has a power of +5.0 D . When this lens is immersed in a liquid of refractive index μ, it acts as a divergent lens of focal length 100 ~cm

A vessel of depth 2 d cm . is halffilled with a liquid of refractive index μ_ 1 and the upper half with a liquid of refractive index μ_ 2 . The apparent depth of the vessel seen

The diameter of the objective of a telescope is a, its magnifying power is m and wavelength of light is λ, The resolving power of the telescope is:

A plano-convex lens of focal length 30 cm has its plane surface silvered An object is placed 40 cm from the lens on the convex side. The distance of the image from the lens is

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