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NEET

Electromagnetic Waves

Physics

Previous Years Questions

MCQ (Single Correct Answer)

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Match List - I with List - II .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:...
NEET 2022
For a plane electromagnetic wave propagating in x-direction, which one of the following combination gives the correct po...
NEET 2021
The ratio of contributions made by the electric field and magnetic field components to the intensity of and electromagne...
NEET 2020 Phase 1
Which colour of the light has the longest wavelength?
NEET 2019
An EM wave is propagating in a medium with a velocity $$\overrightarrow v = v\widehat i$$. The instantaneous oscillatin...
NEET 2018
In an electromagnetic wave in free space that root mean square value of the electric field is Erms = 6 V m$$-$$1. The pe...
NEET 2017
Out of the following options which one can be used to produce a propagating electromagnetic wave ?
NEET 2016 Phase 1
A 100 $$\Omega $$ resistance and a capacitor of 100 $$\Omega $$ reactance are connected in series across a 220 V source....
NEET 2016 Phase 2
A radiation of energy 'E' falls normally on a perfectly reflecting surface. The momentum transferred to the surface is (...
AIPMT 2015 Cancelled Paper
The energy of the em waves is of the order of 15 keV. To which part of the spectrum does it belong ?
AIPMT 2015
Light with an energy flux of 25 $$ \times $$ 104 W m$$-$$2 falls on a perfectly reflecting surface at normal incidence. ...
AIPMT 2014
The condition under which a microwave oven heats up a food item containing water molecules most efficiently is
NEET 2013
An electromagnetic wave of frequency $$\upsilon = 3.0$$ MHz passes from vaccum into a dielectric medium with relative p...
NEET 2013 (Karnataka)
The ratio of amplitude of magnetic field to the amplitude of electric field for an electromagnetic wave propagatting in ...
AIPMT 2012 Mains
The electric field associated with an em wave in vacuum is given by E = $$\widehat i$$ 40 cos (kz $$-$$ 6 $$ \times $$ ...
AIPMT 2012 Prelims
The decreasing order of wavelength of infrared, microwave, ultraviolet and gamma rays is
AIPMT 2011 Prelims
The electric and the magnetic field, associated with an e.m. wave, propagating along the +z-axis, can be represented by
AIPMT 2011 Prelims
The electric field of an electromagnetic wave in free space is given by $$\overrightarrow E = 10\cos ({10^7}t + kx)\wid...
AIPMT 2010 Mains
Which of the following statement is false for the properties of electromagnetic waves ?
AIPMT 2010 Prelims
The electric field part of an electromagnetic wave in a medium is represented by Ex = 0; $${E_y} = 2.5{N \over C}\cos \l...
AIPMT 2009
The velocity of electromagnetic radiation in a medium of permittivity $$\varepsilon $$0 and permeability $$\mu $$0 is gi...
AIPMT 2008
The electric and magnetic field of an electromagnetic wave are
AIPMT 2007
If $$\lambda $$v, $$\lambda $$x and $$\lambda $$m represent the wavelengths of visible light, X-rays and microwaves resp...
AIPMT 2005
Which of the following rays are not electromagnetic waves ?
AIPMT 2003
We consider the radiation emitted by the human body. Which one of the following statements is true?
AIPMT 2003
What is the cause of Green house effect ?
AIPMT 2002
The velocity of electromagnetic wave is parallel to
AIPMT 2002
Biological inportance of ozone layer is
AIPMT 2001
The frequency order for $$\gamma $$-rays (a), X-rays (b), UV rays (c) is
AIPMT 2000

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