Physics, asked by khushikumaridas2, 1 month ago

MULTIPLE CHOICE QUESTIONS
(d) 10-12 cm
(c) 10-2 cm
(d) 10
(a) 100
(d) mass.
(c) Conductivity.
(d) 3.402 x 107 m hr2
1. Which of the following distances means a 'micron' ?
(a) 10-8 cm
(b) 10-6 cm
(c) 10-4 cm
2. Which distance is represented by a 'fermi'?
(a) 108 cm
(6) 10-13 cm
(c) 10-2 cm
3. Number of gram contained in one centigram are
1
(b)
100
(c) 10
4. "Parsec' is the unit of
(a) distance
(b) time
(C) angle
5. What quantity is measured in 'ampere'?
(a) Resistance
(b) Current
(c) Potential difference
6. Which of the following quantities represent an acceleration of 10 cms 2?
(a) 10 km hr2
(b) 1.296 x 106 m hr2
(C) 3.402 x 107 m 5-2
7. Which of the following instrument would you prefer to measure the length of a table
(a) vernier calipers
(b) screw gauge
(C) travelling microscope
8. A vernier calipers has 10 V.D. coinciding with one scale division, which is equal to 1 mm. Its vernier constant is
(a) 1 cm
(b) 0.1 cm
(c) 0.09 cm
9. To measure the depth of a beaker with the help of a vernier calipers we shall use its
(a) main jaws
(b) upper jaws
(c) wire at its back
(d) we can not measure the depth with vernier calipers.
10. The main scale of a screw gauge is half milimetre scale while circular scale carries 50 divisions. On giving four
rotations, the distance shifted on main scale is 4 divisions. The least count is
(a).01 mm
(b) .01 cm
(c).01 cm
11. Which of the following gives the time period of a simple pendulum
1
(a)
2
7
18
8
1
(d) metre rod
(d) 0.001 cm
(d).001 cm
8
(а 27 X 1
(c) 2r.
(27 /
12. IfT and nare time period and frequency of a simple pendulum, which of the following notations is correct.
(a) † = 1
(b) n x T = 1
(c) n2 x T = 1
(d) nx T2 = 1​

Answers

Answered by amitbehera99
0

Explanation:

number 1 (b) 10-6 centimeter

Answered by lisabk327
0

Answer:

1.10-6 cm

2.10-13 cm

3.100

4.distance

5.current

6.10 km hr2

7.verniercalipers

8.0.1cm

9.main jaws

10..01mm

11.27x1

12. n x T=1

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