Practice MCQ Questions and answers on Physics-GK

A. Violet

B. Yellow

C. Red

D. White

A. Reflection

B. Refraction

C. Scattering of shorter wave lengths

D. Dispersion

A. The fact that sun emits only red colour at that time

B. Red light having longer wave length scatters away

C. That sun comes out of the mountains

D. That all other colours scatter away except red

A. 5

B. 7

C. 9

D. 10

A. The violet ray

B. The red ray

C. The green ray

D. The blue ray

A. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction

B. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection.

C. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection.

D. None of the given statements is correct.

A. Long wavelength

B. High intensity

C. High frequency

D. Low refraction in the medium

A. Reflection of the sun light from water surface

B. Interference of the sun light from water surface

C. Scattering of the sunlight by water molecules

D. Refraction of the sun light

A. All colours interfere to produce blue

B. In white light, the blue component dominates

C. The atmosphere scatters blue colour more than the others

D. It is actually blue

A. Better cleaning action

B. Proper pigmental composition

C. High glorious nature

D. Very low cost