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Total questions: 20

Worksheet time: 3mins

Name
Class
Date
1.

SI unit of temperature is_______

a)

celsius

b)

fahrenheit

c)

kelvin

d)

ampere

2.

The solid angle is measured in

______

a)

radian

b)

steradian

3.

Quartz clocks are used in GPS devices. True or false?

a)

True

b)

False

4.

The number 4.582 can be rounded off as______

a)

4.59

b)

5

c)

4.58

d)

4.50

5.

Digital clocks are also called as

________

a)

Atomic clock

b)

Electronic clocks

c)

Quartz clock

6.

How many base quantities are there in SI units?

a)

9

b)

5

c)

7

d)

8

7.

The process of converting liquid into a solid_______

a)

Sublimation

b)

Condensation

c)

Freezing

d)

Deposition

8.

A thermostat is a device which maintains_____

a)

Pressure

b)

Temperature

c)

Density

d)

Volume

9.

In a thermos flask, the silvered walls reflect and radiate the heat outside.. True or false?

a)

True

b)

False

10.

Heat is a form if _______

a)

Electrical energy

b)

Gravitational energy

c)

Thermal Energy

d)

None of these

11.

Condensation is_______

a)

Solid to liquid

b)

Gas to solid

c)

Solid to gas

d)

Gas to liquid

12.

Conduction is the way of heat transfer which takes place in a

______

a)

Solid

b)

Liquid

c)

Gas

d)

All of them

13.

Aerated water contains _______

a)

Air

b)

Oxygen

c)

Carbon dioxide

d)

Nitrogen

14.

Which of the following is known as azote?

a)

Oxygen

b)

Sulphur

c)

Nitrogen

d)

Carbon dioxide

15.

___________is called as vital life.

a)

Oxygen

b)

Carbon dioxide

c)

Nitrogen

d)

Sulphur

16.

Carbon dioxide with water changes_______

a)

Blue litmus to red

b)

Red litmus to blue

c)

Blue litmus to yellow

d)

Doesn't react with litmus

17.

Which is used as rocket fuel?

a)

Carbon dioxide

b)

Nitrogen

c)

Oxygen

d)

Carbon

18.

1 kilo calorie is equal to __________

a)

4200J

b)

3800J

c)

4800J

d)

5200J

19.

Electric charge is measured in

_________________

a)

ampere

b)

volt

c)

candela

d)

coulomb

20.

Luminous intensity is the intensity of __________

a)

Laser light

b)

Visible light

c)

UV light

d)

IR light