Physics Quiz Based on NCERT for SSC CPO 2016

For the first time SSC CPO 2016 examination will be held in Computer Based pattern and managing time will be one of the important factor while solving the questions. So in order to make students familiar with such a situations we are providing questions in a time based manner , which will help students to manage the time properly.

1. Defect of colour blindness can be remedied by the use of

Concave lens

Convex lens

Cylindrical lens

None of the above

2. The most serious environmental pollution from a nuclear reactor is

Radioactivity

Particulate formation

Thermal pollution

Noise pollution

3. Most commercial nuclear power plants worldwide are cooled by

Sodium

Mercury

Helium

Water

4.The function of heavy water in a nuclear reactor is to

Slow down the speed of neutrons

Increase the speed of neutrons

Cool down the reactor

Stop the nuclear reaction

5. The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? 
 1. There are no clouds or water vapour in the lower stratosphere.
 2. There are no vertical winds in the lower stratosphere. Which of the statements given above is/are correct in this context?

1 only

2 only

Both 1 and 2

Neither 1 nor 2

6. What is a zoom lens?

It is a lens having fixed focal length

It is a lens having variable focal length

It is a lens used in radio telescopes

None of the above

7. What is the difference between a CFL and an LED lamp?
 1. To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semi- conductor material.
 2. The average life span of a CFL is much longer than that of an LED lamp 
 3. A CFL is less energy-efficient as compared to an LED lamp. Which of the statements given  above is/are correct?

1 only

2 and 3 only

1 and 3 only

1, 2 and 3

8. What does airbag, used for safety of car driver, contain?

Sodium bicarbonate

Sodium azide

Sodium nitrite

Sodium peroxide

9. The uranium fuel used worldwide is mainly in the form of

U3O8

UO2

UF6

U metal

10. The blue colour of the clear sky is due to

Diffraction of light

Dispersion of light

Reflection of light

Refraction of light