Which of the following was to be discovered first in the chromospheres of the sun?
A). Krypton
B). Xenon
C). Neon
D). Helium
1. Humburger effect is otherwise known as
2. A periscope works on the principle of
3. What principle law explains the working of the hydraulic brakes in automobiles ?
4. Which one of the following determines the sharpness of image in a camera ?
5. Which among the following is a carbohydrate ?
6. The anode in a dry cell consists of