Oscillations Test

Result

Oscillations Test - 9

Score
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Rank
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TIME Taken - -

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Weekly Quiz Competition

Question 1
4 / -1

If a simple pendulum of length L has maximum angular displacement a , then the maximum kinetic energy of bob of mass M is

A

B

C

D

Solution
Question 2
4 / -1

A particle of mass m executes simple harmonic motion with amplitude a and frequency v. The average kinetic energy during its motion from the position of equilibrium to the end is

A

B

C

D

Solution
Question 3
4 / -1

A body executes simple harmonic motion. The potential energy (PE), kinetic energy (KE) and total energy (TE) are measured as function of displacement x. Which of the following statement is correct ?

A
KE is maximum, when x= 0

B
TE is zero, when x = 0

C
KE is maximum, when x is maximum

D
PE is maximum, when x = 0

Solution
Question 4
4 / -1

Starting from the origin a body oscillates simple harmonically with a period of 2 s. After what time will its kinetic energy be 75% of the total energy?

A

B

C

D

Solution
Question 5
4 / -1

A
– 3.0 m, 100 m/s²

B
+ 2.54 m, 200 m/s²

C
– 3.54 m, 140 m/s²

D
+ 3.55 m, 120 m/s²

Solution
Question 6
4 / -1

A
A = x₀, δ = – π⁄4

B
A = x₀ω², δ = π⁄4

C
A = x₀ω², δ = – π⁄4

D
A = x₀ω², δ = 3π⁄4

Solution
Question 7
4 / -1

A

B

C

D

Solution
Question 8
4 / -1

A
300 m/s^-1

B
3π/6 m/s^-1

C
100 m/s^-1

D
π/6 m/s^-1

Solution
Question 9
4 / -1

A
4/5

B
6/5

C
5/6

D
1

Solution
Question 10
4 / -1

What is the period of revolution of the earth satellite? Ignore the height of satellite above the surface of the earth. Given, (1) The value of gravitational acceleration, g = 10 m/s ². (2) Radius of the earth, R_E = 6400 km (take, π = 3.14)

A
85 min

B
156 min

C
83.73 min

D
90 min

Solution