Oscillations Test

Result

Oscillations Test - 38

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

If a spring has time period T, and is cut into n equal parts, then the time period of each part will be

A

B

C

D

Solution
Question 2
4 / -1

Two springs of force constants K and 2K are connected to a mass as shown below. The frequency of oscillation

A

B

C

D

Solution
Question 3
4 / -1

A particle at the end of a spring executes simple harmonic motion with a period t₁, while the corresponding period for another spring is t₂. If the period of oscillation with the two springs in series is T, then

A

B

C

D

Solution
Question 4
4 / -1

Infinite springs with force constant k, 2k, 4k and 8k... respectively are connected in series. The effective force constant of the spring will be

A
2k

B
k

C
k/2

D
2048

Solution
Question 5
4 / -1

The springs shown are identical. When A = 4 kg, the elongation of spring is 1 cm. If B = 6 kg, the elongation produced by it is

A
4 cm

B
3 cm

C
2 cm

D
1 cm

Solution
Question 6
4 / -1

Two springs with spring constants K₁ = 1500 N/m and K₂ = 3000 N/m are stretched by the same force. The ratio of potential energy stored in spring will be

A
2 : 1

B
1 : 2

C
4 : 1

D
1 : 4

Solution
Question 7
4 / -1

A weightless spring of length 60 cm and force constant 200 N/m is kept straight and unstretched on a smooth horizontal table and its ends are rigidly fixed. A mass of 0.25 kg is attached at the middle of the spring and is slightly displaced along the length. The time period of the oscillation of the mass is

A

B

C

D

Solution
Question 8
4 / -1

A mass M is suspended from a spring of negligible mass. The spring is pulled a little and then released so that the mass executes S.H.M. of time period T. If the mass is increased by m, the time period becomes 5T/3. Then the ratio of m/M is

A
5/3

B
3/5

C
25/9

D
16/9

Solution
Question 9
4 / -1

When a mass m is attached to a spring, it normally extends by 0.2 m. The mass m is given a slight addition extension and released, then its time period will be

A

B

C

D

Solution
Question 10
4 / -1

A mass m is suspended from a spring of length l and force constant K. The frequency of vibration of the mass is f₁. The spring is cut into two equal parts and the same mass is suspended from one of the parts. The new frequency of vibration of mass is f₂. Which of the following relations between the frequencies is correct

A

B

C

D

Solution