English
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 7

What are the parts of shadow?

Advertisements
Advertisements

Question

What are the parts of shadow?

Short/Brief Note
Advertisements

Solution

parts of shadow

  1. Umbra
  2. Penumbra
shaalaa.com
  Is there an error in this question or solution?
Chapter 1: Light - Evaluation [Page 21]

APPEARS IN

Samacheer Kalvi Science - Term 3 [English] Class 7 TN Board
Chapter 1 Light
Evaluation | Q V. 7. | Page 21

RELATED QUESTIONS

Fill in the blank.

The darkest portion of a shadow is called the ................


Draw a ray diagram to show the formation of umbra and penumbra both. Label the parts umbra and penumbra in your diagram.


In the following diagram, draw rays to form umbra on the screen.


Why is it that the birds flying in the sky do not cast their shadow on the earth?


What is shadow? 


What are the essential conditions for the formation of shadow?


What do we need in order to see a shadow?


Sivarajan placed a meter stick in the playground at 7.00 am in the morning. How will the shadow of the stick at noon look in comparison to the one in the morning


What are the properties of shadow?


Rearrange the boxes given below to make a sentence that helps us understand opaque objects.

O W S A K E O P A Q U E  O B J E T T  S M
S H A D          

______ is always against, opposite side of light source.


The lighter shade of shadow is the ______.


Three torches A, B and C shown in the following figure are switched on one by one. The light from which of the torches will not form a shadow of the ball on the screen.


A torch is placed at two different positions A and B, one by one, as shown in the following figure.


The shape of the shadow obtained in two positions is shown in the following figure.


Match the position of the torch and shape of the shadow of the ball.


Three identical towels of red, blue and green colour are hanging on a clothes line in the sun. What would be the colour of shadows of these towels?


A student had a ball, a screen and a torch in working condition. He tried to form a shadow of the ball on the screen by placing them at different positions. Sometimes the shadow was not obtained. Explain.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×