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EMOT PHYSICS TEST

A vibrant illustration depicting various physics concepts such as magnets, light waves, and optical phenomena, showcasing a rainbow and a mirage, with diagrams of waves and circuits in the background.

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!

10 Questions2 MinutesCreated by FocusingPhoton721

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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