MCQs

Physics ? Optics Questions with solutions MCQs

1. Inability to form white image?

A

Spherical aberration

B

Chromatic aberration

C

Chromochromatic

D

Coma

Physics ? Optics JKP Photographer 2024
Correct Answer : B
Explanation :

Chromatic aberration prevents true color image.

Correct Answered :

Wrong Answered :

2. f5.6 requires 8s. f11 requires?

A

16s

B

32s

C

8s

D

24s

Physics ? Optics JKP Photographer 2024
Correct Answer : B
Explanation :

Exposure doubles per f-stop. 8s?32s.

Correct Answered :

Wrong Answered :

3. Lenses coated with?

A

Sodium fluoride

B

Zinc fluoride

C

Magnesium fluoride

D

Nickel fluoride

Physics ? Optics JKP Photographer 2024
Correct Answer : C
Explanation :

Magnesium fluoride reduces reflection.

Correct Answered :

Wrong Answered :

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