Chapter 28 – Electromagnetic Waves
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The charge of a parallel plate capacitor is varying as q=q0 sin2πυt. The plates are very large and close together. Neglecting edge effects, the displacement current through the capacitor is
05
Jun
The charge of a parallel plate capacitor is varying as q=q0 sin2πυt. The plates are very large and close together. Neglecting edge effects, the displacement current through the capacitor is The charge of a parallel plate capacitor is varying as q=q0 sin2πυt. The plates are very large and close together. Neglecting edge effects the displacement [...]
If vs, vx and vm are the speeds of gamma rays, X-rays and microwaves respectively in vacuum, then
05
Jun
If vs, vx and vm are the speeds of gamma rays, X-rays and microwaves respectively in vacuum, then If vs then vx and vm are the speeds of gamma rays X-rays and microwaves respectively in vacuum June 5, 2021 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter [...]
The frequency order for X−rays(A), γ-rays (B), UV rays(C) is
05
Jun
The frequency order for X−rays(A), γ-rays (B), UV rays(C) is The frequency order for X−rays(A) UV rays(C) is γ-rays (B) June 5, 2021 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 28 - Electromagnetic Waves , Physics ,
The pressure exerted by an electromagnetic wave of intensity I (watt/m^2 ) on a nonreflecting surface is [c is the velocity of light]
05
Jun
The pressure exerted by an electromagnetic wave of intensity I (watt/m^2 ) on a nonreflecting surface is [c is the velocity of light] The pressure exerted by an electromagnetic wave of intensity I (watt/m^2 ) on a nonreflecting surface is [c is the velocity of light] June 5, 2021 Category: AIIMS Last 24 Years Solved [...]
Velocity of light is equal to
05
Jun
Velocity of light is equal to Velocity of light is equal to June 5, 2021 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 28 - Electromagnetic Waves , Physics ,
The velocity of electromagnetic waves in free space is 3 × 10^8 m/sec. The frequency of a radio wave of wavelength 150 m, is
27
Nov
The velocity of electromagnetic waves in free space is 3 × 10^8 m/sec. The frequency of a radio wave of wavelength 150 m, is is The velocity of electromagnetic waves in free space is 3 × 10^8 m/sec. The frequency of a radio wave of wavelength 150 m November 27, 2020 Category: AIIMS Last 24 [...]
Assertion: If optical density of a substance is more than that of water then the mass density of substance can be less than water. Reason: Optical density and mass density are not related.
13
Nov
Assertion: If optical density of a substance is more than that of water then the mass density of substance can be less than water. Reason: Optical density and mass density are not related. Assertion: If optical density of a substance is more than that of water then the mass density of substance can be less [...]
Assertion: A thick lens shows more chromatic aberration. Reason : Thick lens behave as many thin lenses.
13
Nov
Assertion: A thick lens shows more chromatic aberration. Reason : Thick lens behave as many thin lenses. Assertion: A thick lens shows more chromatic aberration. Reason : Thick lens behave as many thin lenses. November 13, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 28 - [...]
Assertion: Magnification of a convex mirror is always positive, but that of a concave mirror may be both positive or negative. Reason: It depends on the sign convention chosen.
13
Nov
Assertion: Magnification of a convex mirror is always positive, but that of a concave mirror may be both positive or negative. Reason: It depends on the sign convention chosen. Assertion: Magnification of a convex mirror is always positive but that of a concave mirror may be both positive or negative. Reason: It depends on the [...]
Assertion: Microscope magnifies the image. Reason: Angular magnification for image is more than object in microscope.
13
Nov
Assertion: Microscope magnifies the image. Reason: Angular magnification for image is more than object in microscope. Assertion: Microscope magnifies the image. Reason: Angular magnification for image is more than object in microscope. November 13, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 28 - Electromagnetic Waves [...]