The water droplets in the sky behave like tiny prism. Rays of sunlight entering in to the droplets undergoes one reflection and two refraction. The rainbow appears semicircular for an observer with inner edge violet and outer edge red.
69) Rainbow is due to
Answer is:
refraction and reflection of sunlight by water droplets
Explanation:
Related General Physics MCQ with Answers
Answer is:
quasars
Explanation:
Formula for Couple acting on body (T)=F*d =Ma*d [F=M*a] =M*dv/t*d [a==(vf-vi)/t)] =M*(d/t/t)*d =Md^2/t^2 =ML^2T^-2
Answer is:
the moon is between the sun and the earth
Explanation:
A solar eclipse occurs when the moon gets between Earth and the sun, and the moon casts a shadow over earth. A solar eclipse can only take place at the phase of new moon, when the moon passes directly between the sun and Earth and its shadows fall upon earth's surface.
Answer is:
the same number of protons but different number of neutrons
Explanation:
Isotope - same atomic number. Isobar - same mass number. Isotones - same number of neutrons.
Answer is:
3.6 x 103??J
Explanation:
1 watt- hour=1watt*1hour. = (1 j/sec) * (60*60 sec). = 3600j. =3.6*10^3 answer.