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
57) Sound produced at a point is heard by a person after 5 second, while the same sound is heard by another person after 6 seconds. If the speed of sound is 300 m/s, what could be the maximum and minimum distances between the two persons?
Answer is:
3.3 km, 0.30 km
Explanation:
Related General Physics MCQ with Answers
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.
Answer is:
visible rays
Explanation:
Bandgap energy in LED semiconducting material is normally in the visible region. i.e. 380nm to 760nm.