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प्रश्न
A student observes a tree given in Fig. 11.2 through a pin hole camera. Which of the diagrams given in Fig. 11.3 (a) to (d), depicts the image seen by her correctly?
विकल्प
उत्तर
Explanation:
She will observe upside down image of the tree with lateral inversion.
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संबंधित प्रश्न
Match the following columns
| Column A | Column B |
| a. Wooden block | i. new moon's day |
| b. Sun | ii. rectilinear propagation of light |
| c. Umbra | iii. opaque body |
| d. Eclipse | iv. luminous body |
| e. Solar eclipse | v. complete dark park |
List two artificial sources of light.
What do we call an electric bulb producing light?
Name a few living things which emit light.
From among the following objects, list out the opaque, translucent, and transparent bodies in the space provided below:
A glass strip, an ordinary paper, greased paper, tracing paper, polythene sheet, wooden piece, steel plate, glycerine, kerosene oil, mustard oil, grounded glass, stone, book, water, and milk.
Opaque Transparent Translucent
Tick the correct answer.
Light causes
Tick the correct answer.
A tube light is a
Fill in the blank
A ............. is formed when the path of light is obstructed by an ..............
Light travels only in a______ It is because of this property that______ are formed.
A ray of light passes from one medium to another medium. Refraction takes place when angle of incidence is ______.
