Advertisements
Advertisements
प्रश्न
Answer the following.
Name some sources of light that are not hot.
एक पंक्ति में उत्तर
उत्तर
Moon, jugnu.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
How do we see objects around us ?
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 |
Select the correct alternative.
The luminous body is
How does light make an object visible?
Tick the correct answer.
A tube light is a
Answer the following.
Write down five man-made sources of light.
Match the following.
Group A | Group B |
(a) Mirror | (1) Non-luminous |
(b) Firefly | (2) Inverted image |
(c) Pinhole camera | (3) Reflection |
(d) Moon | (4) Luminous |
Light travels only in a______ It is because of this property that______ are formed.
The angle of deviation of light ray in a prism depends on the angle of ______.
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?