EMOT PHYSICS TEST
Electromagnetism Physics Challenge
Test your knowledge of physics concepts related to electromagnetism and optics with this engaging quiz. Whether you are a student looking to review essential material or a physics enthusiast wanting to challenge yourself, this quiz is designed for everyone!
- 10 Multiple Choice Questions
- Topics include magnets, light, waves and more!
- Score points as you go!
In storing magnets, keepers are used to
Reduced self-demagnetization
Cancel the effect of the earth's magnetic field
Protect the magnet from stray electric field
Increase the strength of the magnets
When a galvanometer is connected in series with a multiplier, it functions as
Voltameter
Rectifier
Amplifier
Ammeter
Mirage is caused by
Polarization of light
Diffusion of light
Total internal reflection
Reflection of light
The optical phenomenon responsible for rainbow is
Refraction
Diffusion
Reflection
Dispersion
Calculate the critical angle of light travelling from flint glass(n=1.65) to water (n=1.33)
51°
52°
53°
54°
Transverse waves can be distinguished from longitudinal waves using the characteristics of
Diffraction
Polarization
Reflection
Refraction
The time it will take a certain radioactive element with half life of 50dayd to decay to 1/32 of it's original number is
150days
200days
250days
300days
A progressive wave is represented by y=10sin(100πt - πx/34). What is its frequency of vibration?
100HZ
500HZ
250HZ
650HZ
An open organ pipe has length of 0.75m. What would be the length of a pipe closed at one end whose third harmonic is the same as the fundamental frequency of the open pipe?
1.5m
1.875m
1.1m
1.2m
It takes 4 minutes to boil a quantity of water electrically. How long will it take to boil the same heating coil but with the current doubled?
32mins
8mins
2mins
1min
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