9th classPhysics Chapter No.1 MCQs
Physics MCQs Class 9th
Chapter # 1
PHYSICAL
QUANTITIES AND MEASUREMENT
1. The number of base units
in SI are:
(A)
3 (B) 6 (C) 7 (D) 9
2. Amount of a substance in
terms of numbers is measured in:
(A) Gram (B)
Kilogram (C) Newton (D) Mole
3. An
interval of 200µs is equivalent to:
(A) 0.2 s (B)
0.02 s (C) 2 × 10-4 (D) 2 × 10-6
4. Which one of the following
is the smallest quantity?
(A) 0.01
g (B) 2 mg (C) 100 µg (D) 5000
ng
5. Which
instrument is most suitable to measure the internal diameter of a test tube?
(A) Meter rule (B) Vernier calipers (C)
Measuring tape (D)
Screw gauge
6. A
measuring cylinder is used to measure:
(A)
Mass (B)
Area (C) Volume (D) Level of a liquid
7. The study of the internal
structure of the earth is:
(A)
Atomic physics (B) Geophysics (C) Sound
(D)
Heat
8. Which are the following units
is not a derived unit:
(A) Watt (B) Newton (C) Pascal
(D) Kilogram
9. One
cubic meter is equal to:
(A) 100
liters (B)1000
liters (C) 10 liters (D) 106 liters
10. One mega meter is equal to
a:
(A) 106 g (B) 109 m (C)
10-6 m (D) 1012 m
11. One giga gram is equal to:
(A) 109 g (B) 106 g (C) 103 g (D) 10-6
g
12. The least count of a meter
rod is:
(A) 1
mm (B) 0.1 mm (C)
0.01 mm (D) 1 cm
13. The least count of a vernier
calipers is:
(A)
0.01 mm (B) 0.01 cm (C) 1 mm
(D) 1 cm
14.
The number of significant figures in 0.00580 is:
(A) 6 (B)
5 (C)
3 (D)
2
15. 0.027 has significant
digits:
(A) 2 (B) 1 (C) 3 (D) 4
16. The base quantity is:
(A) Mass
(B)
Volume (C)
Torque (D) Momentum
17. One micrometer is equal to :
(A) 10-6 m (B) 10-3 m (C) 10-9
m (D) 103 m
18. One milliliter is equal
to:
(A) 1 mm3 (B) 1 cm3 (C) 1 dm3 (D) 1 m3
19. The least count of a digital
vernier calipers:
(A) 0.01 mm (B) 0.001 mm (C) 0.1 mm
(D) 1 mm
20. The
branch of physics which deals with study of motion of objects, its causes
and effects is called (A) Sound (B) Kinematics (C)
Mechanics (D)
Thermodynamics
21. Identity the base quantity:
(A) Speed (B) Area
(C)
Force (D)
Distance
22. Kilogram
is a:
(A) Base unit
(B) Base
quantity (C)
Derived quantity (D)
Derived unit
23. One liter is equal to _________
milliliter.
(A) 102 (B)
103 (C) 104 (D) 105
24. Least count of a screw gauge is:
(A) 1
cm (B) 0.001 m (C) 0.01 mm (D)
1 mm
25. The length of a meter rule is:
(A) 1 meter (B) 0.5 meter (C)
2 meter (D) None of these
26. The word “science” is derived from:
(A) Urdu (B)
Arabic (C) Latin (D) English
27. Refrigerator is based on the principles
of:
(A) Mechanics (B)Thermodynamics (C)sound (D)light
28. The unit of density in system
international is:
(A) kg m (B)
(C)
(D)
29. One tera is equal to:
(A)
(B)
(C)
(D)
30. One femto is equal to:
(A)
(B)
(C)
(D)
31. One meter is equal to:
(A)10cmop (B)100 cm (C)
10000 cm (D)100mm
32. One pico meter is equal to:
(A)
m (B)
(C)
(D)
33. One liter is equal to:
(A) 1 mm (B)
(C)
(D)
34. The unit of volume is:
(A) Meter (B)Force (C)cubic meter (D)second
35. 0.00002 g is equal to how many
micrograms?
(A) 2.0 µg (B)0.02 µg (C)20
µg (D)200 µg
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