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If E→ and B→ are the electric and magnetic field vector of electromagnetic waves, then the direction of propagation of electromagnetic wave is along the direction of

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Important Questions on Electromagnetic Waves

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Gamma Question Bank for Medical Physics>Chapter 23 - Electromagnetic Waves>Assignment>Q 3
A plane electromagnetic wave of frequency 300MHz travels in free space. The wavelength of the wave is
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Gamma Question Bank for Medical Physics>Chapter 23 - Electromagnetic Waves>Assignment>Q 4
The dimensional formula of μ0ε0E2B2 is
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Gamma Question Bank for Medical Physics>Chapter 23 - Electromagnetic Waves>Assignment>Q 5
Infrared waves are having frequencies _____ than those of visible light.
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Gamma Question Bank for Medical Physics>Chapter 23 - Electromagnetic Waves>Assignment>Q 6
If the total energy transferred to a surface is U, then for complete absorption the magnitude of the total _____ delivered is Uc.
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Gamma Question Bank for Medical Physics>Chapter 23 - Electromagnetic Waves>Assignment>Q 7
Name the electromagnetic radiation to which the following wavelengths belong,
(i) 1 A°
(ii) 4800 A°
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Gamma Question Bank for Medical Physics>Chapter 23 - Electromagnetic Waves>Assignment>Q 8
From the following identify the electromagnetic waves having the
(i) Maximum frequency
(ii) Minimum frequency
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Gamma Question Bank for Medical Physics>Chapter 23 - Electromagnetic Waves>Assignment>Q 9
Experimental observations have shown that X-rays travel in a vacuum with the speed of light. What conclusion can be drawn about X-rays from this observation?
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Gamma Question Bank for Medical Physics>Chapter 23 - Electromagnetic Waves>Assignment>Q 10
State the condition under which a microwave oven heats up a food item containing water molecules most efficiently.