Chapter 5: Physical Quantities & Measurement Physics Mcqs for High School - Grade 9 - Set 5

1)   Mechanical stop watches have least count upto

a. 0.1 seconds
b. 0.01 seconds
c. 0.5 seconds
d. 0.9 seconds
Answer  Explanation 

ANSWER: 0.1 seconds

Explanation:
No explanation is available for this question!


2)   Digital stop watches have least count upto

a. 0.1 seconds
b. 0.01 seconds
c. 0.5 seconds
d. 0.9 seconds
Answer  Explanation 

ANSWER: 0.01 seconds

Explanation:
No explanation is available for this question!


3)   If zero line of Vernier scale is on the right of zero line of main scale the zero error is

a. zero
b. positive
c. negative
d. neutral
Answer  Explanation 

ANSWER: positive

Explanation:
No explanation is available for this question!


4)    A meter rule is used to measure

a. weight
b. mass
c. length
d. force
Answer  Explanation 

ANSWER: length

Explanation:
No explanation is available for this question!


5)    The unit of area is

a. meter²
b. meter³
c. meter
d. C
Answer  Explanation 

ANSWER: meter²

Explanation:
No explanation is available for this question!


6)   Kilo, mega, giga, Milli are the example of

a. base units
b. derived units
c. prefixes
d. square units
Answer  Explanation 

ANSWER: prefixes

Explanation:
No explanation is available for this question!


7)    In physics we study

a. matter and energy only
b. interaction between matter and energy only
c. composition of matter
d. matter & energy and interaction between matter and energy
Answer  Explanation 

ANSWER: matter & energy and interaction between matter and energy

Explanation:
No explanation is available for this question!


8)    If zero line of the Vernier scale coincides with the zero of the main scale, then zero error is

a. positive
b. zero
c. negative
d. one
Answer  Explanation 

ANSWER: zero

Explanation:
No explanation is available for this question!


9)   The study of the charged at rest and in motion, their effects and their relationship with magnetism is called

a. mechanics
b. plasma physics
c. atomic physics
d. electricity and magnetism
Answer  Explanation 

ANSWER: electricity and magnetism

Explanation:
No explanation is available for this question!


10)   Counting is not simply

a. measuring
b. adding
c. subtracting
d. multiplying
Answer  Explanation 

ANSWER: measuring

Explanation:
No explanation is available for this question!


11)   The knowledge gained through observations and experiments is called

a. Mathematics
b. Science
c. Economics
d. Geometry
Answer  Explanation 

ANSWER: Science

Explanation:
No explanation is available for this question!


12)   By converting 30,000 grams into kilograms, we get

a. 30 kg
b. 3 kg
c. 300 kg
d. 0.3 kg
Answer  Explanation 

ANSWER: 30 kg

Explanation:
No explanation is available for this question!


13)   Volume, area, speed, electric charge, force and work are the examples of

a. quartile quantities
b. base quantities
c. derived quantities
d. prefixes
Answer  Explanation 

ANSWER: derived quantities

Explanation:
No explanation is available for this question!


14)    In laboratories, a one meter long tool to measure length of an object or distance between two points is called

a. physical balance
b. screw gauge
c. Vernier calipers
d. meter rule
Answer  Explanation 

ANSWER: meter rule

Explanation:
No explanation is available for this question!


15)   Derived quantities can be expressed in form of

a. base quantities
b. physical quantities
c. non measurable quantities
d. all of above
Answer  Explanation 

ANSWER: base quantities

Explanation:
No explanation is available for this question!


16)   Quantities on basis of which other ones are expressed are called

a. derived quantities
b. physical quantities
c. base quantities
d. scalar quantities
Answer  Explanation 

ANSWER: base quantities

Explanation:
No explanation is available for this question!


17)   The least count of the meter ruler is

a. 0.1 mm
b. 0.5 mm
c. 1 mm
d. 0.001 mm
Answer  Explanation 

ANSWER: 1 mm

Explanation:
No explanation is available for this question!


18)   Measuring cylinders have different capacities from

a. 1000 mL to 2500 mL
b. 10 mL to 250 mL
c. 100 mL to 250 mL
d. 100 mL to 2500 mL
Answer  Explanation 

ANSWER: 100 mL to 2500 mL

Explanation:
No explanation is available for this question!


19)   In screw gauge, if zero of circular scale coincides with the index line, then the zero error will be

a. positive
b. zero
c. negative
d. one
Answer  Explanation 

ANSWER: zero

Explanation:
No explanation is available for this question!


20)   The standard quantity for measuring is called

a. base quantity
b. physical quantity
c. derived quantity
d. unit
Answer  Explanation 

ANSWER: unit

Explanation:
No explanation is available for this question!


21)   The quantities that are expressed in terms of base quantities are known as

a. quartile quantities
b. prefixes
c. base quantities
d. derived quantities
Answer  Explanation 

ANSWER: derived quantities

Explanation:
No explanation is available for this question!


22)   The smallest possible division up to which an instrument can measure is called

a. large count
b. least count
c. small count
d. shortest length
Answer  Explanation 

ANSWER: least count

Explanation:
No explanation is available for this question!


23)   All the quantities that are measurable are called

a. Physical quantities
b. thermodynamics
c. non-physical quantities
d. mechanics
Answer  Explanation 

ANSWER: Physical quantities

Explanation:
No explanation is available for this question!


24)   In screw gauge, if zero of circular scale is behind the index line, then the zero error will be

a. positive
b. negative
c. zero
d. one
Answer  Explanation 

ANSWER: positive

Explanation:
No explanation is available for this question!


25)   We can express 200.7 in scientific notation as

a. 2.007 × 10³
b. 2.007 × 10²
c. 27 × 10³
d. 200.7 × 10²
Answer  Explanation 

ANSWER: 2.007 × 10²

Explanation:
No explanation is available for this question!


26)   A number 62580 can be expressed in scientific notation as

a. 6.258 × 103
b. 6.258 × 102
c. 6.258 × 104
d. 6.258 × 105
Answer  Explanation 

ANSWER: 6.258 × 104

Explanation:
No explanation is available for this question!


27)   The prefix for 10⁹ is

a. giga
b. Milli
c. nano
d. pico
Answer  Explanation 

ANSWER: giga

Explanation:
No explanation is available for this question!


28)   Length, mass, electric current, time, intensity of light and the amount of substance are the examples of

a. base quantities
b. derived quantities
c. prefixes
d. quartile quantities
Answer  Explanation 

ANSWER: base quantities

Explanation:
No explanation is available for this question!