Measurements and Experimentation Test

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Measurements and Experimentation Test - 5

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Weekly Quiz Competition

Question 1
1 / -0

At which of the following positions does a mass and spring harmonic oscillator possess maximum kinetic energy?

A
At half way between equilibrium and amplitude

B
At two thirds of the way between equilibrium and amplitude

C
At its equilibrium position

D
At the place, when its displacement becomes equal to amplitude
Question 2
1 / -0

The tip of a screw gauge has 71 divisions. The screw covers 5 mm when it takes 7 rotations. Find the least count of screw gauge and pitch of the screw gauge respectively.

A
0.1 mm, 7.1 mm

B
0.1 mm, 0.71 mm

C
0.01 mm, 71 mm

D
0.01 mm, 0.71 mm
Question 3
1 / -0

Which of the following instruments has/have least count smaller than 0.1 cm?

A
Metre scale

B
Vernier calliper

C
Screw gauge

D
Vernier calliper and screw gauge
Question 4
1 / -0

The upper jaws of the vernier calipers are used to measure

A
thickness of the object

B
outer diameters of spheres and cylinders

C
inner diameters of rings and tubes

D
Both (1) and (3)
Question 5
1 / -0

The main scale of a vernier has 20 divisions to a centimeter.19 of these divisions are divided into 20 parts.The vernier has a negtaive zero error of 0.005 cm.In taking a reading,the vernier has crossed the 2 cm mark and a further 7 divisions of the main scale.The 13th division of the vernier coincides with a main scale division.What will be the least count of the instrument?

A
0.0025

B
0.025

C
0.25

D
0.012
Question 6
1 / -0

When the jaws meet and the zero of the vernier lies to the left of the zero of the main scale. Which of the following options is true according to the situation?

A
No zero error

B
Positive zero error

C
Negative zero error

D
Cannot be determined
Question 7
1 / -0

Which of the following instruments cannot be used to measure length up to second place of a centimeter?

A
Metre scale

B
Vernier calliper

C
Vernier scale

D
Screw gauge
Question 8
1 / -0

Tom measures the length of a wire using a pair of vernier callipers. The main scale reading comes out to be 3.6 cm and the seventh division of vernier exactly coincides with the main scale division. Find the length of the wire. (Given: Least count of vernier callipers = 0.01 cm; zero error of vernier callipers = +0.03 cm)

A
3.7 cm

B
3.61 cm

C
3.64 cm

D
3.67 cm
Question 9
1 / -0

While measuring the diameter of a sphere with a vernier calliper, if M.S.R and V.C.D are 35 mm and 5 repectively and if the vernier scale consists of 20 divisions, then what is the diameter of the sphere?

A
32.25 mm

B
30.05 mm

C
28.22 mm

D
25.22 mm
Question 10
1 / -0

Least count of vernier calliper can be changed by

A
changing members at alternate positions on vernier scale

B
changing number of equal divisions on main scale

C
changing number of equal divisions on vernier scale

D
cannot be changed
Question 11
1 / -0

How would the frequency of a pendulum alter if it were to be determined at the poles?

A
Frequency will increase

B
Frequency will decrease

C
Frequency remains same

D
Frequency becomes zero
Question 12
1 / -0

Which of the following is/are correct? (Where symbols have their usual meaning)

A
T = 1/f

B
= constant

C
T

D
All of these
Question 13
1 / -0

What is the value of the least count vernier calliper?

A
0.1 mm

B
0.1 cm

C
0.01 mm

D
It depends on the size of calliper
Question 14
1 / -0

Which of the following vernier callipers are possible?

(Where MSD = Main scale dvisions)
(VSD = Vernier Scale divisions)

A
49 MSD are made into 50 VSD.

B
39 MSD are made into 40 VSD.

C
69 MSD are made into 70 VSD.

D
All of the above
Question 15
1 / -0

What is the least count of a microscope screw gauge?

A
0.001 cm

B
0.0001 cm

C
1 u

D
Both 2 and 3
Question 16
1 / -0

Vernier caliper I has 10 equal divisions on its vernier scale.
Vernier caliper II has 50 equal divisions on its vernier scale.
Which of the following vernier calipers is more accurate?

A
Vernier I

B
Vernier II

C
Both are equal

D
Cannot be determined
Question 17
1 / -0

What is the length of a pendulum whose periodic time is one second?(g = 1000 cms^-2, = 22/7)

A
25.31 cm

B
20.02 cm

C
19.1 cm

D
13.23 cm
Question 18
1 / -0

What would be the ratio of time period of two simple pendulums of lengths 2 m and 72 m?

A
1 : 2

B
1 : 6

C
1 : 3

D
1 : 4
Question 19
1 / -0

From the given figure, find the least count and length of the object respectively.

A
0.01 cm, 2.5 cm

B
0.01 cm, 2.25 cm

C
0.1 cm, 2.25 cm

D
0.1 cm, 2.5 cm
Question 20
1 / -0

A total of 100 divisions are marked on circular scale of screw gauge. When it is given 24 rotations it rotates 6 mm. The reading for diameter of wire came out be between 3 mm and 4 mm on main scale. Find the diameter of the wire if 43^rd division of circular scale coincides with time of graduation of main scale.

A
3.6026 mm

B
3.536 mm

C
3.43 mm

D
3.1075 mm

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Measurements and Experimentation Test - 5

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Measurements and Experimentation Test - 5

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Question 1

At half way between equilibrium and amplitude

At two thirds of the way between equilibrium and amplitude

At its equilibrium position

At the place, when its displacement becomes equal to amplitude

Question 2

0.1 mm, 7.1 mm

0.1 mm, 0.71 mm

0.01 mm, 71 mm

0.01 mm, 0.71 mm

Question 3

Metre scale

Vernier calliper

Screw gauge

Vernier calliper and screw gauge

Question 4

thickness of the object

outer diameters of spheres and cylinders

inner diameters of rings and tubes

Both (1) and (3)

Question 5

0.0025

0.025

0.25

0.012

Question 6

No zero error

Positive zero error

Negative zero error

Cannot be determined

Question 7

Metre scale

Vernier calliper

Vernier scale

Screw gauge

Question 8

3.7 cm

3.61 cm

3.64 cm

3.67 cm

Question 9

32.25 mm

30.05 mm

28.22 mm

25.22 mm

Question 10

changing members at alternate positions on vernier scale

changing number of equal divisions on main scale

changing number of equal divisions on vernier scale

cannot be changed

Question 11

Frequency will increase

Frequency will decrease

Frequency remains same

Frequency becomes zero

Question 12

T = 1/f

= constant

T

All of these

Question 13

0.1 mm

0.1 cm

0.01 mm

It depends on the size of calliper

Question 14

49 MSD are made into 50 VSD.

39 MSD are made into 40 VSD.

69 MSD are made into 70 VSD.

All of the above

Question 15

0.001 cm