Physics Questions and Answers
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.
0.71V
0.7V
0.82V
0.8V
Correct answer is A
Req = 200 + 500 + 1000 = 1700Ω
| P.d | (across | 200Ω) | = | 200
1700 |
× | 6 | = | 0.71V |
total number of its proton & neutrons
number of its protons
mass of its electrons
total number of its protons & electrons
Correct answer is A
Nucleus = mass of proton + mass of neutron
Faraday
Dalton
James Chadwick
Rutherford
Correct answer is C
It was discovered by James Chadwick in 1932.
Gases conduct electricity under
high pressure & high voltage
low pressure & low voltage
normal pressure & low voltage
low pressure & high voltage
Correct answer is D
Gases conduct electricity under low pressure & high voltage
A man on a bench will exert the greatest pressure on the bench when he
lies flat on his back
lies flat on his belly
stands on both feet
stands on the toes of one foot
Correct answer is D
| P | = | F
A |
hence, pressure increases when the areas decreases.