Physical Optical Physics Multiple Choice Questions

Physical Optical Physics Multiple Choice Questions

1. When the interference of light was proposed:

A. 1825
B. 1830
C. 1810
D. 1805
E. None of these

Answer - Click Here:
A

2. X-rays was discovered in

A. 1898
B. 1900
C. 1895
D. 1880

Answer - Click Here:
C

3. Which one of the following is an example of a non-luminous object?

A. The sun
B. The moon
C. Candle
D. An electric bulb

Answer - Click Here:
B

4. A light detect by our color is…

A. ROYGBIV, rainbow color form
B. RGB form
C. The simple form of a particular color
D. None of these

Answer - Click Here:
A

5. Which of the following Symbol is used to represent the speed of light in vacuum or air is

A. a
B. l
C. v
D. c

Answer - Click Here:
D

6. Convex mirror formed image is______

A. Real, erect and magnified
B. Virtual, real
C. Virtual, erect and diminished
D. Real and inverted

Answer - Click Here:
C

7. Which of the two types of lenses are correct?

A. Living and non living
B. Small and large
C. Transpiring and respiring
D. Converging and diverging

Answer - Click Here:
D

8. Radius of curvature is______

A. 30 cm
B. 45 cm
C. 14 cm
D. 8.5 cm

Answer - Click Here:
A

9. Which of the following is example of Non-luminous objects?

A. Moon
B. sun
C. Transparent
D. Opaque objects

Answer - Click Here:
A

10. When a convex lens has a focal length of 20cm, what is the power in dioptre is

A. 4
B. 6
C. 0.5
D. 5

Answer - Click Here:
D

11. What is the SI unit of power of lense…

A. cm
B. dioptre
C. watt
D. meter

Answer - Click Here:
B

11. Convex of the lens is also used to____

A. Diverging lens
B. Refracting lens
C. Converging lens
D. Both A and C
E. None of these

Answer - Click Here:
C

12. How a virtual image is formed_____

A. Telescope
B. Simple microscope
C. Slide projector in the cinema
D. Ordinary camera
E. None of these

Answer - Click Here:
B