1
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

A simple pendulum is placed inside a lift, the lift is moving with a uniform acceleration. If the time periods of the pendulum while the lift is moving upwards and downwards are in the ratio of 1 : 3, then the acceleration of the lift is

[Take acceleration due to gravity, g = 10 m/s2]

A
4 m/s2
B
6 m/s2
C
8 m/s2
D
10 m/s2
2
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

A satellite is moving around the earth with speed v in a circular orbit of radius r. If the orbit radius is decreased by 2%, its speed will increase by

A
1%
B
2%
C
1.5%
D
1.414%
3
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

In the circuit shown in figure, the AC source has angular frequency $$\omega$$ = 2000 rad s$$-$$1. The amplitude of the current will be nearest to

BITSAT 2020 Physics - Alternating Current Question 5 English

A
2.85 A
B
3 A
C
0.5 A
D
3.625 A
4
BITSAT 2020
MCQ (Single Correct Answer)
+3
-1

The work done by a force acting on a body is as shown in the following graph. The total work done in covering an initial distance of 40 m is

BITSAT 2020 Physics - Work, Energy and Power Question 3 English

A
500 J
B
600 J
C
400 J
D
800 J
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