1. 2
2. 10
3. 16
4. 64
10
1. 3.6 Gauss
2. 1.2 Gauss
3. 0.9 Gauss
4. 0.3 Gauss
0.9 Gauss
1. Liquify the gas
2. Not liquify the gas
3. Burst the cylinder
4. Freeze the-gas
Not liquify the gas
1. 1000m
2. 2000m
3. 3000m
4. 4000m
1000m
1. Sound
2. Light
3. Ultra sonics
4. Infrared rays
Light
1. 12 x 1010kg/sec
2. 6.3 x 1023kg/sec
3. 4 x 1012kg/sec
4. 2.43 x 104kg/sec
4 x 1012kg/sec
1. Negatively charged particles
2. Ionized hydrogen nuclei
3. Doubly ionized helium atoms
4. Uncharged particles having the mass equal to proton
Doubly ionized helium atoms
1. Keep the needle always pointing at East.
2. Keep the needle always horizontal
3. Give a direct value of dip
4. Give a direct reading of declination
Keep the needle always horizontal
1. 3.1 x 1018
2. 1.6 x 1019
3. 8400
4. 7600
3.1 x 1018
1. Increase
2. Decrease
3. Remain constant
4. Appear to remain constant but actually decrease
Remain constant