NEET PHYSICS PYQS SOLUTION [ Electromagnetic Waves ( EM Waves ) ]
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1
When light propagates through a material medium of relative permittivity ∈r and relative; NEET 2022.
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2
A capacitor of capacitance C, is connected across an AC source of voltage V. given by; [NEET 2021].
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3
For a plane electromagnetic wave propagating in x-direction, which one of the following; NEET 2021
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4
The magnetic field in a plane EM wave is given byBy = 2x10⁻⁷ sin( π×10³x+ 3πx 10¹¹ t ) T NEET 2020.
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5
The ratio of contributions made by the electric field and magnetic field components, NEET 2020??
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6
Light with an average flux of 20W/cm² falls on a non-reflecting surface at normal ; NEET 2020.
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7
A parallel plate capacitor of capacitance 20μF is being charged by a voltage source whose; NEET 2019
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8
An EM wave is propagating in a medium with a velocity v=vi.The instantaneous oscillating; NEET 2018
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9
Out of the following options which one can be used to produce a propagating electromag; NEET 2016.
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10
A radiation of energy E falls normally on a perfectly reflecting surface. The momentum; AIPMT 2015.
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11
Light with an energy flux of 25 ×10⁴ Wm⁻² falls on a perfectly reflecting surface at; AIPMT 2014.
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12
The electric field associated with an electro magnetic wave in vacuum is given by ,; AIPMT 2012.
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13
The electric and the magnetic field, associated with an electromagnetic wave, AIPMT 2011
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14
Which of the following statement isfalse for the properties of electromagnetic waves? AIPMT 2010.
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15
The electric field part of an electromagnetic wave in a mediumis represented by Ex=0; AIPMT 2009.
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16
The velocity of electromagnetic wave is along the direction of ?? AIPMT 2002.@AtmaAcademy
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17
In a certain region of space electric field E and magnetic field B are perpendicular to; AIPMT 2001
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18
The electromagnetic radiations are caused by ??. AIPMT 1999.@AtmaAcademy
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19
The wavelength of light of frequency 100 HZ is ??. AIPMT 1999. @AtmaAcademy
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20
If ε₀ and μ₀, are respectively the electric permittivity and magnetic permeability; AIPMT 1997.
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21
The oscillating electric and magnetic field vectors of electromagnetic wave are ; AIPMT 1995.
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22
The electromagnetic wave with the shortest wavelength among the following is ?? NEET 2020 .
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23
The energy of the EM waves is of the order of 15 keV. To which part of the spectrum; AIPMT 2015.
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24
The condition under which a microwave oven heats up a food item containing water; NEET 2013.
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25
The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma ray? AIPMT 2010.
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26
The velocity of electromagnetic radiation in a medium of permittivity ɛ₀, and ; AIPMT 2008.
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27
If λx, λw and λm represent the wavelengths of visible light. X-rays and microwaves; AIPMT 2005.
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28
Which of the following rays are notelectromagnetic waves? AIPMT 2003.@AtmaAcademy
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29
Which of the following has minimumwavelength?? AIPMT 2002. @AtmaAcademy
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30
What is the cause of "Green house effect"?? AIPMT 2002. @AtmaAcademy
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31
The frequency of γ-rays, X-rays and ultraviolet rays area, b and c respectively. Then?? AIPMT 2000.
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32
Ozone layer blocks the radiations ofwave length ?? AIPMT 1999. @AtmaAcademy
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33
A signal emitted by an antenna from a certain point can be received at another point of; APMT 1993.
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34
The structure of solids is investigated by using ???. AIPMT 1992. @AtmaAcademy
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35
The frequency of electromagnetic wave, which is best suited to observe a particle of; AIPMT 1991.
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36
Pick out the longest wavelength from the following types of radiations?? AIPMT 1990. @AtmaAcademy
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37
Which of the following is the longest wave ? AIPMT 1989. @AtmaAcademy
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