EASY
UPSC CAPF AC Paper - I
IMPORTANT
Earn 100

Consider the following natural phenomena:
A. Terrestrial heating
B. Reflection of light
C. Refraction of light
D. Diffraction of light
Due to which of these phenomena is mirage formed?

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Important Questions on Physics

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 5>Q 16

Diffusion of light in the atmosphere takes place due to:

MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 5>Q 17
To which one of the following process is the term of CMYK related?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 5>Q 18
Which of the following types of light are strongly absorbed by plants?
MEDIUM
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 5>Q 19
A pencil is placed upright at a distance 10 cm from a convex lens of focal length 15 cm. The nature of the image of the pencil will be:
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 5>Q 20
Which one of the following types of waves are used in a night vision apparatus?
HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 5>Q 21
Which one of the following phenomena cannot be attributed to the refraction of light?
EASY
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 5>Q 22

Consider the following statements:
1. If magenta and yellow coloured circles intersect, the intersected area will have a red colour.
2. If cyan and magenta coloured circles intersect, the intersected area will have a blue colour.

Which of the statements given above is/are correct?

HARD
UPSC CAPF AC Paper - I
IMPORTANT
14000+ Objective Questions General Studies>Chapter 9 - Physics>Exercise 5>Q 23
A double convex glass lens of focal length f and having a circular aperture is cut into two halves, each having a semicircular aperture. The focal length of each half is