Actually the correct answer would be metals have high thermal conductivity than plastics as soon as you touch the pen your body heat is emitted onto the metal cap faster as you are cold metal cap becomes cooler.
56) On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because
Answer is:
metals are good conductor of heat
Explanation:
Related General Physics MCQ with Answers
Answer is:
3.3 km, 0.30 km
Explanation:
DISTANCE = SPEED * TIME TAKEN d1=300*5=1500 d2=300*6=1800 maximum distance=d1+d2 =1500+1800 =3300 metres=3.3km minimum distance=d2-d1 =1800-1500 =300 metres=0.3km
Answer is:
inversely proportional to square of
Explanation:
The intensity of light observed from a source of constant intrinsic luminosity falls off as the square of the distance from the object. This is known as the inverse square law for light intensity.
Answer is:
at a place in a valley below sea level
Explanation:
Because at a place valley below sea level atmospheric pressure is more so it required high temperature to boil.
Answer is:
All of these
Explanation:
Radio telescope is a device used in radio astronomy for detecting and recording radio waves coming from stars and other celestial objects.