Advertisements
Advertisements
Question
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
Fill in the Blanks
Advertisements
Solution
A shadow is formed when the path of light is obstructed by an object
shaalaa.com
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Match the following
| (a). A light ray passes from air to glass | (1) . speeds up |
| (b). A light ray passes from glass to water | (2). reflects red light |
| (c). Virtual image | (3). primary colours |
| (d). Red rose | (4). plane mirror |
| (e). Red, green, and blue | (5). slows down |
Fill in the blank.
Moon is a .................. body.
What do we call an electric bulb producing light?
What do we call a substance through which light passes? Give an example of such a substance.
What do you understand by candle power?
Write whether of the following objects are luminous or non-luminous.
| Object | Luminous/Non-luminous |
| A book | |
| A burning candle | |
| A wax cloth | |
| A pencil | |
| A pen | |
| A light bulb | |
| A tyre | |
| A torch |
________ objects allow all the light to pass through them.
Mirrors change the direction of light that fall on them.
Match the following.
| 1. | Ratio of height of image to height of object. | Concave mirror |
| 2. | Used in hairpin bends in mountains. | Total internal reflection |
| 3. | Coin inside water appearing slightly raised. | Magnification |
| 4. | Mirage | Convex mirror |
| 5. | Used as Dentist’s mirror. | Refraction |
State whether the following statement is True or False.
An object can be seen only if it emits light
