On which day 'National Science Day' is celebrated in India ?
A). February 23
B). February 25
C). February 26
D). February 28
February 28
'National Science Day' is celebrated in India on February 28.
1. What device converts light energy to electrical energy?
2. For a person having hyper metropia the near point is
3. What is the angle between centripetal acceleration and tangential acceleration?
4. During washing of clothes we use indigo due to its
5. The mass of a star is two times the mass of the Sun. How it will come to an end
6. The process of emission of electrons?from metal by UV rays is-
7. Momentum is measured as the product of :
8. What is the other name of Galileo's law of falling bodies?
9. For an object, the state of rest is considered to be the state of ______ speed.