Light MCQ question and answer with solution | Physics Gk MCQs

A. Two

B. One

C. Six

D. Infinite

A. green colour

B. red colour

C. blue colour

D. All of these

A. speed increases towards normal

B. speed increases and away from the normal

C. slow down a towards the normal

D. slow down and away from normal

A. Both (A) and (R) are true and (R) is the correct explanation of (A)

B. Both (A) and (R) are true, but (R) is not the correct explanation of (A)

C. (A) is true, but (R) is false

D. (A) is false, but (R) is true

A. refraction

B. total internal reflection

C. diffraction

D. reflection

A. bifocal lens

B. cylindrical lens

C. convex lens

D. concave lens

A. $$\frac{R}{2}$$

B. 2r

C. 3R

D. R

A. The cloth completely absorbs red colour wavelength

B. It is due to refraction

C. It is the effect of scattering of light

D. It is due to parallax error

A. real and large

B. virtual but foggy

C. real but invertered

D. virtual and large

A. Carbon dioxide

B. Dust particles

C. Helium

D. Water vapours