Physics Test 34

Total Questions: 23

1 - The unit of intensity of light is

A ) cd ✅
B ) Mol
C ) Ampere
D ) Second

2 - One litre is equal to the

A ) 1dm³ ✅
B ) 10dm³
C ) 100dm³
D ) 1000dm³

3 - One cubic metre is equal to

A ) 1000L ✅
B ) 10L
C ) 100L
D ) 1L

4 - Which of the following unit is a base unit

A ) Kelvin ✅
B ) Newton
C ) Pascal
D ) Columb

5 - Which of the following unit is a derived unit.

A ) Kg
B ) Second
C ) Metre
D ) Pascal ✅

6 - The unit of electric charge is

A ) Newton
B ) Pascal
C ) Columb ✅
D ) Metre per second

7 - One hecto is equal to

A ) 10-²
B ) 10² ✅
C ) 10-³
D ) 10³

8 - One milli is equal to

A ) 10-²
B ) 10²
C ) 10³
D ) 10-³ ✅

9 - Prefix micro is equal to

A ) 10-²
B ) 10-³
C ) 10-⁶ ✅
D ) 10-⁹

10 - Prefix nano is equal to

A ) 10-²
B ) 10-³
C ) 10-⁶
D ) 10-⁹ ✅

11 - Prefix pico is equal to

A ) 10-¹²
B ) 10-³
C ) 10-⁶
D ) 10-⁹ ✅

12 - Prefix mega is equal to

A ) 10-²
B ) 10-³
C ) 10⁶ ✅
D ) 10²

13 - Prefix Giga is equal to

A ) 10-²
B ) 10²
C ) 10⁶
D ) 10⁹ ✅

14 - Show the 200000ms-¹ into kms-¹

A ) 20kms-¹
B ) 200kms-¹ ✅
C ) 2000kms-¹
D ) 2kms-¹

15 - Change into suitable prefix 0.0000000081 m

A ) 8.1 mm
B ) 8.1 nm ✅
C ) 8.1 um
D ) 8.1 cm

16 - Sun is the distance of 150 million from the Earth. Write it in scientific notation

A ) 1.5 × 10⁵
B ) 1.5× 10⁶
C ) 1.5×10⁷
D ) 1.5 ×10⁸ ✅

17 - Write in scientific notation 0.0000548s.

A ) 5.48 × 10⁴s
B ) 5.48×10-³s
C ) 5.48×10-⁵s ✅
D ) 5.48×10-⁶s

18 - Approximate mass of elephant is

A ) 10³g
B ) 10⁴g
C ) 10⁶g ✅
D ) 10⁹g

19 - Least count of meter rod is

A ) 0.1 mm
B ) 0.01 mm
C ) 0.1 cm ✅
D ) 0.001mm

20 - Information about stars is taken by ____

A ) Hubble telescope ✅
B ) Compound microscope
C ) Electron microscope
D ) Refrected telescope

21 - Least count of vernier caliper is

A ) 0.1 mm ✅
B ) 0.01 mm
C ) 0.1 cm
D ) 1 mm

22 - The least count of screw gauge is

A ) 0.1 mm
B ) 0.01 mm ✅
C ) 0.1 cm
D ) 0.01 cm