Measurements and Experimentation Test

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Measurements and Experimentation Test - 4

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Weekly Quiz Competition

Question 1
1 / -0

In which of the following cases is percentage error more?

A
Length of 10 cm is measured as 9.8 cm.

B
Length of 20 cm is measured as 19.8 cm.

C
Length of 50 cm is measured as 49.8 cm.

D
All have the same frequency error.
Question 2
1 / -0

If four pendulums P, Q, R and S are having length 10 cm, 20 cm, 30 cm and 40 cm respectively, which pendulum has the lowest frequency?

A
P

B
Q

C
R

D
S
Question 3
1 / -0

How many millilitres are there in 100 m³ of water?

A
10⁸ ml

B
10^-8 ml

C
10⁴ ml

D
10⁶ ml
Question 4
1 / -0

Which of the following is not correct?

A
Mass is a scalar quantity.

B
Weight is a vector quantity.

C
Mass is the quantity of matter contained in a body that supports it.

D
Weight remains the same everywhere for a body.
Question 5
1 / -0

Which of the following is not correct?

A
Oscillation is the one complete to and fro motion of a simple pendulum.

B
Frequency is the number of oscillations in one second.

C
Periodic time is the time for one oscillation.

D
Amplitude is the minimum displacement from mean position
Question 6
1 / -0

How many femtoseconds are there in 100 picoseconds?

A
10^-5

B
10⁵

C
10³

D
10^-3
Question 7
1 / -0

Which of the following is true regarding physical quantity?

A
It is a quantity that can be expressed in terms of other quantities.

B
It is a quantity to which a unit can be ascribed and that can be measured.

C
It is a quantity that cannot be expressed in terms of other quantities.

D
None of these
Question 8
1 / -0

Find the length of the pendulum having time period 4 seconds and frequency 1 Hz.

A
3.96 cm

B
3.37 cm

C
396.8 cm

D
34.56 cm

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Measurements and Experimentation Test - 4

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Measurements and Experimentation Test - 4

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Question 1

Length of 10 cm is measured as 9.8 cm.

Length of 20 cm is measured as 19.8 cm.

Length of 50 cm is measured as 49.8 cm.

All have the same frequency error.

Question 2

P

Q

R

S

Question 3

108 ml

10-8 ml

104 ml

106 ml

Question 4

Mass is a scalar quantity.

Weight is a vector quantity.

Mass is the quantity of matter contained in a body that supports it.

Weight remains the same everywhere for a body.

Question 5

Oscillation is the one complete to and fro motion of a simple pendulum.

Frequency is the number of oscillations in one second.

Periodic time is the time for one oscillation.

Amplitude is the minimum displacement from mean position

Question 6

10-5

105

103

10-3

Question 7

It is a quantity that can be expressed in terms of other quantities.

It is a quantity to which a unit can be ascribed and that can be measured.

It is a quantity that cannot be expressed in terms of other quantities.

None of these

Question 8

3.96 cm

3.37 cm

396.8 cm

34.56 cm

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10⁸ ml

10^-8 ml

10⁴ ml

10⁶ ml

10^-5

10⁵

10³

10^-3