CameraIcon

SearchIcon

MyQuestionIcon

4

You visited us 4 times! Enjoying our articles? Unlock Full Access!

Introduction

Fill in the b...

Question

Fill in the blank.
Coefficient of absorption is a measure of the rate of _____in the intensity of electromagnetic radiation as it passes through a given substance.

A

decrease

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

B

increase

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

either increase or decrease

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

None

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is A decrease
When electromagnetic radiation passes through a substance it gets absorbed partly by the substance. Hence its intensity goes on decreasing.

Suggest Corrections

thumbs-up

0

Similar questions

Q. If a photon of intensity

I

falls on a surface at an angle

60^{\circ}

making with it having absorption coefficient

0.4

, then radiation pressure exerted on the surface is-

Q. The intensity (1) of X-rays after traversing a distance x through a matter is related to the coefficient of absorption

(μ)

of the material as

Q. A highly conducting solid sphere of radius R, density

ρ

and specific heat is kept in an evacuated chamber. A parallel beam of electromagnetic radiation having uniform intensity I is incident on its surface. Assume that the surface of the sphere is perfectly black . Calculate the rate of increase of temperature

Q. When X–rays of wavelength

1 A^{\circ}

passes through a gold foil of thickness 2.303 mm, then their intensity reduces to half. The coefficient of absorption for gold(in

m m^{- 1})

Q. An un-publicized beam of intensity

2 a^{2}

passes through a thin Polaroid. Assuming zero absorption in the Polaroid the intensity of emergent planes polarized light is

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction

PHYSICS

Watch in App

explore_more_icon

Explore more

Standard XII Physics

Join BYJU'S Learning Program

CrossIcon