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PHYSICS MCQ

Measurements and Experimentation · ICSE STD 9 (ICSE - English Medium). 11 questions.

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11 questions · timed · auto-graded

MCQ 11 Mark
The length of a second's pedulum is nearly :
  • A
    $0.5 m$
  • B
    $9.8 m$
  • ✓
    $1.0 m$
  • D
    $2.0 m$
Answer
Correct option: C.
$1.0 m$
The length of a second's pedulum is nearly : $1.0 m$
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MCQ 21 Mark
The time period of a pendulum clock is :
  • A
    $1 s$
  • ✓
    $2 s$
  • C
    $1\min$
  • D
    $12 h$
Answer
Correct option: B.
$2 s$
The time period of a pendulum clock is $: 2 s$
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MCQ 31 Mark
If the length of a simple pendulum is made one-fourth, then its time period becomes
  • A
    Four times
  • B
    One-fourth
  • C
    Double
  • ✓
    Half
Answer
Correct option: D.
Half
If the length of a simple pendulum is made one-fourth, then its time period becomes Half
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MCQ 41 Mark
The diameter of a thin wire can be measured by
  • A
    A vernier calipers
  • B
    A metre rule
  • ✓
    A screw gauge
  • D
    none of these
Answer
Correct option: C.
A screw gauge
The diameter of a thin wire can be measured by A screw gauge
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MCQ 51 Mark
A microscope has its main scale with $20$ divisions in $1\ cm$ and vernier scale with $25$ divisions, the length of which is equal to the length of $24$ divisions of main scale. The least count of microscope is
  • ✓
    $0.002\ cm$
  • B
    $0.001\ cm$
  • C
    $0.02\ cm$
  • D
    $0.01\ cm$
Answer
Correct option: A.
$0.002\ cm$
A microscope has its main scale with $20$ divisions in $1\ cm$ and vernier scale with $25$ divisions, the length of which is equal to the length of $24$ divisions of main scale. The least count of microscope is $0.002\ cm$
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MCQ 61 Mark
The least count of avernier calipers is :
  • A
    $1\ cm$
  • B
    $0.001\ cm$
  • C
    $0.1\ cm$
  • ✓
    $0.01\ cm$
Answer
Correct option: D.
$0.01\ cm$
The least count of a vernier calipers is $0.01\ cm$
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MCQ 71 Mark
ly is the unit of:-
  • A
    time
  • ✓
    length
  • C
    mass
  • D
    none of this
Answer
Correct option: B.
length
ly is the unit of :- Length
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MCQ 81 Mark
$1 \mathring A$ is equal to :
  • ✓
    $0.1\ nm$
  • B
    $10^{-10} cm$
  • C
    $10^{-8} m$
  • D
    $10^4 \mu$
Answer
Correct option: A.
$0.1\ nm$
$1 \mathring A$ is equal to $: 0.1\ nm$
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MCQ 91 Mark
The unit of time is :
  • A
    light year
  • B
    parsec
  • ✓
    leap year
  • D
    angstrom
Answer
Correct option: C.
leap year
The unit of time is : Leap year
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MCQ 101 Mark
Which of the following unit is not a fundamental unit:
  • A
    metre
  • ✓
    Litre
  • C
    second
  • D
    kilogram
Answer
Correct option: B.
Litre
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MCQ 111 Mark
The fundamental unit is:-
  • A
    Newton
  • B
    Pascal
  • C
    hertz
  • ✓
    second
Answer
Correct option: D.
second
The fundamental unit is :- Second
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