+91-8527521718
Signup | Login
  • 1(current)
  • 2
Q. No.

Two springs of spring constants \(k_1\) and \(k_2\) are joined in series. The effective spring constant of the combination is given by:
1. \(\frac{k_1+k_2}{2}\)
2. \(k_1+k_2\)
3. \(\frac{k_1k_2}{k_1+k_2}\)
4. \(\sqrt{k_1k_2}{}\)

Subtopic:  Combination of Springs |
 94%
Level 1: 80%+
AIPMT - 2004
Hints

If two identical springs, each with a spring constant \(k,\) are connected in series, the new spring constant and time period will change by a factor of:

1. \( \dfrac{1}{2},~ \sqrt{2} \) 2. \( \dfrac{1}{4},~ \sqrt{2} \)
3. \( \dfrac{1}{4},~ 2 \sqrt{2} \) 4. \( \dfrac{1}{2},~ 2 \sqrt{2} \)
Subtopic:  Combination of Springs |
 88%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.

Two identical springs of spring constant \(k\) are attached to a block of mass \(m\) and to fixed supports as shown in the figure. When the mass is displaced from its equilibrium position on either side, it executes a simple harmonic motion. The period of oscillations is:

      

1. \(2 \pi \sqrt{\dfrac{{m}}{4{k}}}\)
2. \(2 \pi \sqrt{\dfrac{2{m}}{{k}}}\)
3. \(2 \pi \sqrt{\dfrac{{m}}{2{k}}}\)
4. \(2 \pi \sqrt{\dfrac{{m}}{{k}}}\)
Subtopic:  Combination of Springs |
 85%
Level 1: 80%+
Hints
advertisementadvertisement

A spring having a spring constant of \(1200\) N/m is mounted on a horizontal table as shown in the figure. A mass of \(3\) kg is attached to the free end of the spring. The mass is then pulled sideways to a distance of \(2.0\) cm and released. The maximum acceleration of the mass is:

1. \(6\) ms–2 2. \(8\) ms–2
3. \(3.3\) ms–2 4. \(5.1\) ms–2
Subtopic:  Combination of Springs |
 85%
Level 1: 80%+
Hints

What is the period of oscillation of the block shown in the figure?

1. \(2\pi \sqrt{\dfrac{M}{k}}\) 2. \(2\pi \sqrt{\dfrac{4M}{k}}\)
3. \(\pi \sqrt{\dfrac{M}{k}}\) 4. \(2\pi \sqrt{\dfrac{M}{2k}}\)
Subtopic:  Combination of Springs |
 85%
Level 1: 80%+
Hints
As per the given figures, two springs of spring constants \(k\) and \(2k\) are connected to mass \(m.\) If the period of oscillation in figure \((a)\) is \(3~\text s,\) then the period of oscillation in figure \((b)\) is \(\sqrt x ~\text s.\) The value of \(x \) is:
       
1. \(3\)
2. \(4\)
3. \(2\)
4. \(1\)
Subtopic:  Combination of Springs |
 81%
Level 1: 80%+
JEE
Please attempt this question first.
Hints
Please attempt this question first.
advertisementadvertisement
Infinite springs with force constants \(k,\) \(2k,\) \(4k,\) \(8k,....\) respectively are connected in series. The effective force constant of the spring will be:
1. \(20k\)
2. \(40k\)
3. \(k/2\)
4. none of these
Subtopic:  Combination of Springs |
 80%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
If two identical springs of stiffness \(k\) (each) are combined end-to-end, the resulting spring has a stiffness:
1. \(k\)
2. \(2k\)
3. \(\dfrac k2\)
4. zero
Subtopic:  Combination of Springs |
 79%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
The period of oscillation of the system shown below is:
 
1. \(\pi \sqrt{\dfrac{4 m}{5 k}}\) 2. \(\pi \sqrt{\dfrac{6 m}{5 k}}\)
3. \(\pi \sqrt{\dfrac{12m}{5 k}}\) 4. \(\pi \sqrt{\dfrac{8m}{5 k}}\)
Subtopic:  Combination of Springs |
 79%
Level 2: 60%+
Please attempt this question first.
Hints
advertisementadvertisement

Three masses, \(700~\text{g},\) \(500~\text{g},\) and \(400~\text{g}\) are suspended vertically from a spring and are in equilibrium. When the \(700~\text{g}\) mass is detached, the remaining system oscillates with a time period of \(3~\text{s}.\) If the \(500~\text{g}\) mass is also removed, what will be the new time period of oscillation?
             

1. \(1~\text{s}\) 2. \(2~\text{s}\)
3. \(3~\text{s}\) 4. \(4~\text{s}\)
Subtopic:  Combination of Springs |
 79%
Level 2: 60%+
Hints
  • 1(current)
  • 2
Q. No.

NEET Information

courses

Company

Botany Questions

Chemistry Questions

Physics Questions

Zoology Questions

© 2026 GoodEd Technologies Pvt. Ltd.