Home
Class 12
PHYSICS
For Iight diverging from a point sou...

For Iight diverging from a point source

A

the wavefront is spherical

B

the intensity decreases in proportion to the distance

C

the wavefront is parabolic

D

the intensity of the wavefront does not depend on distance

Text Solution

Verified by Experts

The correct Answer is:
A, B
Promotional Banner

Topper's Solved these Questions

  • LIGHT WAVE AND INTERFERENCE OF LIGHT

    CHHAYA PUBLICATION|Exercise EXERCISE (Multiple Choice Questions )|5 Videos

  • LIGHT WAVE AND INTERFERENCE OF LIGHT

    CHHAYA PUBLICATION|Exercise EXERCISE (Multiple Choice Questions ) In terference of light|8 Videos

  • LIGHT WAVE AND INTERFERENCE OF LIGHT

    CHHAYA PUBLICATION|Exercise NCERT TEXTBOOK QUESTIONS WITH ANSWER HINT|13 Videos

  • KIRCHHOFF'S LAWS AND ELECTRICAL MEASUREMENT

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|16 Videos

  • Magnetic Properties of Materials

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|11 Videos

Similar Questions

Explore conceptually related problems

What is the shape of the wavefront in each of the following cases ? Light diverging from a point source.

A light ray emerging from the point source placed at P(2,3) is reflected at a point Q on the y-axis. It then passes through the point R(5,10)dot The coordinates of Q are

A beam of converging rays from a point source would meet behind spherical mirror at a distance of 40 cm from it. But after reflection from the mirror the beam most at a point 20 cm from mirror. Is the mirror concave or convex? What is its focal length?

A screen is placed at a distance of 5 cm from a point source. A 5 mm thick piece of glass of refractive index 1.5 is placed between them. What is the length of optical path between the source and the screen ?

What will be the nature of the wavefront of light emitted from a line source ?

Distinguish btween point and non point sources of waster pollution.

A thin glass plate is placed in between a convex mirror of focal length 20cm and a point source. The distance between the glass plate and the mirror is 5cm. The image formed by the reflected rays from the front face of the glass plate and that due to the reflected rays by the convex mirror coincide at the same point. What is the distance of the glass plate from the source? Draw the ray diagram.