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.
Brightness Of Y will reduce
Brightness Of Y will remain constant
Brightness Of Y will increase
fuse F will blow
Correct answer is B
Diagram above shows a Parallel circuit
If one of the parallel path is broken, current will continue to flow in other parts.
Voltage is the same across each component of the parallel circuit.
The brightness of a light bulb is given by its power. P = I\(^2\)R,
and so brightness depends on current and resistance.
Hence; the brightness of Y will not be affected except for a variation in resistance property.
680J
400J
200J
100J
Correct answer is C
No explanation has been provided for this answer.
The acceleration of the system show above is
2ms-2
4ms-2
6ms-2
8ms-2
Correct answer is B
No explanation has been provided for this answer.
The value of T in the figure above is
10.0N
11.8N
20.0N
40.0N
Correct answer is D
No explanation has been provided for this answer.
P = Q + R
P = Q - R
P = R - Q
P + Q + R = O
Correct answer is A
Addition of vectors:
P = Q + R