Physics Test 18

Total Questions: 25

1 - Volume of 1 liter is equal to

A ) 1cm³ ✅
B ) 10cm³
C ) 100cm³
D ) 1000cm³

2 - In SI system, the unit of young modulus is

A ) Nm
B ) Nm-¹
C ) Nm-² ✅
D ) Nm-³

3 - States of matter is/are

A ) 1
B ) 2
C ) 3
D ) 4 ✅

4 - In solids molecules are

A ) Very close together ✅
B ) Comparatively placed a part
C ) Highly placed apart
D ) None of these

5 - In liquids molecules are

A ) Very close together
B ) Comparatively placed a part ✅
C ) Highly placed apart
D ) None of these

6 - In gases molecules are

A ) Very close together
B ) Comparatively placed a part
C ) Highly placed apart ✅
D ) None of these

7 - Matter at high temp. Convert into ions this state called

A ) Solid
B ) Liquid
C ) Gas
D ) Plasma ✅

8 - Very high conducting state of matter is

A ) Solid
B ) Liquid
C ) Gas
D ) Plasma ✅

10 - Unit of density in S.I is

A ) Kgms
B ) Kgm³
C ) Kgm-³ ✅
D ) Kgm-²

11 - Density of 5 litre water is

A ) 100 kgm-³
B ) 500 kgm-³
C ) 1000 Kgm-³ ✅
D ) 5000 kgm-³

12 - Mass = ___

A ) Volume/Density
B ) Density × volume ✅
C ) Mass × Density
D ) None

13 - Volume = ____

A ) Mass/ Density ✅
B ) Density/Mass
C ) Mass × Density
D ) None of these

14 - 1m³ =____

A ) 100 Liter
B ) 10000 Liter
C ) 10 Liter
D ) 1000 Liter ✅

15 - 1000 Kgm³=____

A ) 1000 gcm³ ✅
B ) 10 gcm³
C ) 100 gcm³
D ) 1 gcm³

16 - Icm³ =____

A ) 10-⁶m³
B ) 10-³m³ ✅
C ) 10⁶m³
D ) 10³m³

17 - Mass of atmosphere is half at a height of ____ from sea level.

A ) 5 kilometer
B ) 10 kilometer
C ) 20 kilometer
D ) 30 kilometer ✅

18 - 99% mass of atmosphere is at height of ____from sea level.

A ) 5 kilometer
B ) 10 kilometer
C ) 20 kilometer
D ) 30 kilometer ✅

19 - A force acting normally on the unit area of a body is called.

A ) Stress
B ) Pressure ✅
C ) Density
D ) Volume

20 - Formula of pressure is

A ) P= A/F
B ) P = F/A ✅
C ) P = FA
D ) P = F/1

21 - The SI unit of pressure is

A ) Pascal ✅
B ) Watt
C ) Joule
D ) Columb

22 - Pressure is a ____ quantity.

A ) Scalar ✅
B ) Vector
C ) Base
D ) Both a and b

23 - The earth is surrounded by a layer of air is called

A ) Pressure
B ) Atmosphere ✅
C ) Density
D ) Volume

24 - Density of air in the atmosphere is ___ with altitude.

A ) Increased
B ) Decrease ✅
C ) Remain same
D ) None of these

25 - Atmospheric pressure at sea level is

A ) 101300 Pa ✅
B ) 110300 Pa
C ) 131000 pa
D ) 130100 Pa