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.
earth casts a shadow on the moon
moon casts a shadow on the sun
moon is between the sun and the earth
earth is between the sun and the moon
sun is between the moon and the earth
Correct answer is C
No explanation has been provided for this answer.
If an ebonite rod is rubbed with fur
both the ebonite rod and the fur will be negatively charged
the ebonite rod will be positively charged while the fur will have no charge
there will be electron transfer only if the ebonite rod is earthed
the ebonite rod will be negatively charged while the fur will be positively charged
the ebonite rod will be positively charged while the fur will be negatively charged
Correct answer is D
No explanation has been provided for this answer.
0.5Jg-1
2.5Jg-1
15.0Jg-1
450.0Jg-1
150Jg-1
Correct answer is B
Pt = mL
L = \(\frac{pt}{m} = \frac{90 \times 5}{180}\)
= 2.5
the boiling water rises slightly
the boiling point rises sharply
the rate of vaporisation of the boiling water increases
the boiling point first rises and then falls
neither the boiling point nor the rate of vaporisation increases
Correct answer is C
No explanation has been provided for this answer.
0.3oC
3.0oC
33.3oC
42.0oC
100.0oC
Correct answer is B
\(\Delta t = \frac{gh}{c} = \frac{1260 \times 10}{4200}\)
= 3.0°