Oscillations Test

Result

Oscillations Test - 14

Score
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Weekly Quiz Competition

Question 1
4 / -1

The amplitude for a S.H.M. given by the equation x = 3Sin3pt + 4Cos3pt is .........m.

A
5

B
7

C
4

D
3

Solution
Question 2
4 / -1

The increase in periodic time of a simple pendulum executing S.H.M. is .............when its length is increased by 21%.

A
42 %

B
10%

C
11%

D
21%.

Solution
Question 3
4 / -1

A particle executing S.H.M. has an amplitude A and periodic time T. The minimum time required by the particle to get displaced by A/√2 from its equilibrium position is ........ s.

A
T

B
T/4

C
T/8

D
T/16

Solution
Question 4
4 / -1

At what position will the potential energy of a S.H.O. become equal to one third its kinetic energy ?

A

B

C

D

Solution
Question 5
4 / -1

Three identical springs are shown in figure. When a 4 kg mass is suspended from spring A, its length increases by 1cm. Now if a 6 kg mass is suspended from the free end of spring C, then increase in its length is .........cm.

A
1.5

B
3.0

C
4.5

D
6.0

Solution
Question 6
4 / -1

The periodic time of a S.H.O. oscillating about a fixed point is 2 s. After what time will the kinetic energy of the oscillator become 25% of its total energy?

A
1/12 s

B
1/6 s

C
1⁄4 s

D
1/3 s

Solution
Question 7
4 / -1

As shown in figure, the object having mass M is executing S.H.M. with an amplitude A. The amplitude of point P shown in figure will be .......

A

B

C

D

Solution
Question 8
4 / -1

A particle is executing S.H.M. between x = - A and x = +A. If the time taken by the particle to travel from x = 0 to A/2 is T₁ and that taken to travel from x = A/2 to x = A is T₂ , then ..........

A
T₁ < T₂

B
T₁ > T₂

C
T₁ = 2T₂

D
T₁ = T₂

Solution
Question 9
4 / -1

The average values of potential energy and kinetic energy over a cycle for a S.H.O. will be .................... respectively.

A

B

C

D

Solution
Question 10
4 / -1

A
90^o

B
112^o

C
72^o

D
45^o

Solution