Advertisements
Advertisements
Question
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
Advertisements
Solution
A shadow is formed when the path of light is obstructed by an object
APPEARS IN
RELATED QUESTIONS
Fill in the blank.
A medium which allows light to pass through it easily is called the ...................
Differentiate between the luminous and non-luminous bodies. Give two examples of each.
Match the following
| Column A | Column B |
| 1. Transparent object | i. Football |
| 2. Eclipses | ii. Glass |
| 3. Translucent object | iii. Fluorescent tube |
| 4. Luminous object | iv. Tracing paper |
| 5. Non - luminous object | v. Shadows |
Answer the following.
What is meant by luminous intensity? What is one lumen?
A ______ is an artificial source of light.
Light is a form of ______.
Sunlight is a blend of______ colors
Boojho and Paheli were given one mirror each by their teacher. Boojho found his image to be erect and of the same size whereas Paheli found her image erect and smaller in size. This means that the mirrors of Boojho and Paheli are, respectively
Observe the picture given in the following figure carefully.

A patch of light is obtained at B, when the torch is lighted as shown. Which of the following is kept at position A to get this patch of light?
Using a pinhole camera a student observes the image of two of his friends, standing in sunlight, wearing yellow and red shirt respectively. What will be the colours of the shirts in the image?
