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.
4A
36A
12A
24A
10A
Correct answer is C
since they are in parallel, the same voltage across
= I1 = I2 = I3
I1 = \(\frac{V}{R_1}\)
\(\frac{60}{5}\) = 12A
less than R1
greater than R2
the sum of R1 and R2
the difference of R2 and R1
greater thanR1 but less than R2
Correct answer is A
No explanation has been provided for this answer.
The heat from the sun reaches the earth by the process
insulation
precipitation
conduction
convection
radiation
Correct answer is E
No explanation has been provided for this answer.
The following are some units i. Ns What is the unit of latent heat?
ii. Mm
iii. Nm-2
iv. JKg-1
i
ii
iii
iv
Correct answer is D
| L | = | specific latent heat of a substance |
L = \(\frac{Q}{M}\)
i.e unit is JKg-1
0.85 PN-m-2
0.86 PN-m-2
1.16 PN-m-2
1.18 PN-m-2
2.85 PN-m-2
Correct answer is C
At constant volume,
\(\frac{P_1}{T_1}\) = \(\frac{P_2}{T_2}\)
\(\frac{P}{27 +273}\) = \(\frac{P_2}{77 + 273}\)
\(300P_2 = 350P\)
P2 = 1.16 PNm\(^{-2}\)