Electromagnetic waves is an important topic in the Physics section in MHT CET exam. Practising this topic will increase your score overall and make your conceptual grip on MHT CET exam stronger.
This article gives you a full set of MHT CET PYQs for Electromagnetic waves with explanations for effective preparation. Practice of MHT CET Physics PYQs including Electromagnetic waves questions regularly will improve accuracy, speed, and confidence in the MHT CET 2026 exam.
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MHT CET PYQs for Electromagnetic waves with Solutions
1.
A spherical balloon of radius is charged. The energy density in the electric field at point shown in the figure given below is . If the balloon is inflated to a radius without altering its charge, what is the energy density at ?
- (A)
- (B)
- (C)
- (D)
2.
A wheel of diameter 20 cm is rotating at 600 rpm. The linear velocity of a particle at its rim is:- \( 6.28 \, \text{m/s} \)
- \( 12.56 \, \text{m/s} \)
- \( 18.84 \, \text{m/s} \)
- \( 3.14 \, \text{m/s} \)
3.
In Melde's experiment, the string vibrates in 4 loops when a 50 g weight is placed in the pan of weight 15 g. To make the strings to vibrates in 6iJoops the weight that has to be removed from the pan is- 0.0007 kg-wt
- 0.0021 kg-wt
- 0.036 kg-wt
- 0.0029 kg-wt
4.
Find the ratio of K.E. and P.E. when a particle performs SHM and is at \( \frac{1}{n} \) times its amplitude from the mean position.- \( n^2 - 1:1 \)
- \( 1:n^2 - 1 \)
- \( 1:n \)
- \( n:1 \)
5.
Sound waves are not transmitted a long distance because- they are absorbed by the atmosphere
- they have constant frequency
- the height of antenna required should be very high
- velocity of sound waves is very less
6.
What is the wavelength of a sound wave that has a frequency of \( 500 \, \text{Hz} \) and travels at a speed of \( 343 \, \text{m/s} \)?- \( 0.5 \, \text{m} \)
- \( 1.0 \, \text{m} \)
- \( 2.0 \, \text{m} \)
- \( 3.0 \, \text{m} \)
7.
In a resonance pipe the first and second resonances are obtained at depths $ 22.7 \,cm $ and $ 70.2\, cm $ respectively. What will be the end correction ?- $ 1.05\,cm $
- $ 115.5\,cm $
- $ 92.5\,cm $
- $ 113.5\,cm $
8.
Two strings with mass per unit length of $25 \, g \, cm^{-1}$ and $9 \, gcm^{-1}$ are joined together in series. The reflection coefficient for the vibration waves are- $\frac{9}{25}$
- $\frac{3}{5}$
- $\frac{1}{16}$
- $\frac{9}{16}$
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