1.Who discovered Radium:
Answer: Marie Curie&Pierry Curie
2.The Unit of Energy or Work:
Answer : Joule
3.Photo Electric effect was explanied by:
Answer : Albert Einstein
4.ThePraticle which is supposed to travel faster than light:
Answer: Tachyon
5.Father of wireless telegraphy:
Answer: Maeconi
6.Speed of Sound at Zero degree celsius_____________m/s:
Answer: Newton
7.Who was the first to Measure the Velocity of light:
Answer: Roemer
8.Pitch of a sound depends upon its:
Answer: Frequency
9.Short-sight in human eye can be rectified by:
Answer: Concave
10.__________Measures Atmospheric pressure:
Answer: Barometer
11.Which one of the following is not a source of renewable energy:
Answer: Fuel Cell
12.Heat transfer within the atmosphere is called:
Answer: Advection
13.Materials for rain-proof coats and tents owe their water proof properties to:
Answer: Surface tension
14.The earpiece of a telephone converts:
Answer: Electrical energy into sound energy
15.The line that separates atmosphere and outer space:
Answer: Karman line
