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## Electromagnetic Waves

### Physics

#### Previous Years Questions

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The ratio of the magnitude of the magnetic field and electric field intensity of a plane electromagnetic wave in free sp...
NEET 2022 Phase 2
The magnetic field of a plane electromagnetic wave is given by $$\overrightarrow B = 3 \times {10^{ - 8}}\cos (1.6 \tim... NEET 2022 Phase 2 Match List - I with List - II .tg {border-collapse:collapse;border-spacing:0;} .tg td{border-color:black;border-style:... NEET 2022 For a plane electromagnetic wave propagating in x-direction, which one of the following combination gives the correct po... NEET 2021 The ratio of contributions made by the electric field and magnetic field components to the intensity of and electromagne... NEET 2020 Phase 1 Which colour of the light has the longest wavelength? NEET 2019 An EM wave is propagating in a medium with a velocity$$\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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Class 12