1

COMEDK 2021

MCQ (Single Correct Answer)

+1

-0

Two converging lenses of focal length 20 cm and 40 cm are placed in contact. The effective power of the combination is

2

COMEDK 2021

MCQ (Single Correct Answer)

+1

-0

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 focal length of lenses are

3

COMEDK 2020

MCQ (Single Correct Answer)

+1

-0

A convex lens is made of 3 layers of glass of 3 different materials as in the figure.

A point object is placed on its axis. The number of images of the object are

4

COMEDK 2020

MCQ (Single Correct Answer)

+1

-0

A ray of light suffers minimum deviation in equilateral prism P. Additional prisms Q and R of identical shape and of same material as that of P are now combined as shown in figure. The ray will now suffer

Questions Asked from Ray Optics (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

COMEDK Subjects

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