NEET Physics MCQ: NCERT Electromagnetic Spectrum

⚡ Time Required :0.5 mins

🎯Difficulty :Easy

🔄Ncert Concepts :Electromagnetic Spectrum, Wavelength, Frequency

Related Questions

If a source is transmitting Electromagnetic Waves of frequency $8.196 imes {10^6}$ Hz, then the wavelength of the Electromagnetic Waves transmitted from the source will be

5090 cm

4050 cm

4230 cm

3660 cm

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⚡ Time Required :2 mins

🔄Ncert Concepts :Electromagnetic waves, frequency, wavelength, speed of light

Energy stored in electromagnetic oscillations is in the form of

Electrical energy

Magnetic energy

Both (a) and (b)

None of these

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🔄Ncert Concepts :electromagnetic oscillations, electrical energy, magnetic energy

An electromagnetic wave has an energy of 15 keV. What is the approximate wavelength of this radiation?

Ultraviolet

X-rays

Gamma rays

Infrared

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PYQ YEAR: 2015

⚡ Time Required :3 mins

🔄Ncert Concepts :Electromagnetic Spectrum, Energy of EM waves

Radio waves and visible light in vacuum have

Same velocity but different wavelength

Continuous emission spectrum

Band absorption spectrum

Line emission spectrum

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🔄Ncert Concepts :electromagnetic spectrum, speed of light, wavelength, frequency

Frequency of wave is $6 imes {10^{15}}\;Hz$ The wave is

Infrared

Ultraviolet

Visible Light

X-rays

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⚡ Time Required :2 mins

🔄Ncert Concepts :Electromagnetic spectrum, Frequency ranges

Which of the following is electromagnetic wave

$X$ -rays and light waves

Cosmic rays and sound waves

Beta rays and sound waves

Alpha rays and sound waves

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🔄Ncert Concepts :Electromagnetic waves, Types of radiation

All components of the electromagnetic spectrum in vacuum have the same

Energy

Velocity

Wavelength

Frequency

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🔄Ncert Concepts :electromagnetic spectrum, velocity of light

A wave is propagating in a medium of electric dielectric constant 2 and relative magnetic permeability 50. The wave impedance of such a medium is

$5\;{\rm{\Omega }}$

$376.6\;{\rm{\Omega }}$

$1883\;{\rm{\Omega }}$

$3776\;{\rm{\Omega }}$

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⚡ Time Required :2 mins

🔄Ncert Concepts :wave impedance, dielectric constant, magnetic permeability

The electromagnetic waves do not transport

Energy

Charge

Momentum

Information

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🔄Ncert Concepts :electromagnetic waves, properties of EM waves

10.

The range of wavelength of the visible light is

$10\mathop {\rm A}\limits^ \circ \;to\;100\;\mathop {\rm A}\limits^ \circ \;$

$4000\mathop {\rm A}\limits^ \circ \;to\;8000\;\mathop {\rm A}\limits^ \circ \;$

$8000\mathop {\rm A}\limits^ \circ \;to\;10000\;\mathop {\rm A}\limits^ \circ \;$

$10000\mathop {\rm A}\limits^ \circ \;to\;15000\;\mathop {\rm A}\limits^ \circ \;$

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