IndiaBIX

General Knowledge - Physics

Exercise : Physics - Section 1
  • Physics - Section 1
46.
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?
1.8 km, 0.15 km
2.2 km, 0.20 km
2.8 km, 0.25 km
3.3 km, 0.30 km
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Intensity of sound at a point is ____ its distance from the source.
directly proportional to
inversely proportional to
directly proportional to square of
inversely proportional to square of
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Of the four locations mentioned below the highest inside temperature will be attained in the pressure cooker operated with the pressure valve open
at sea level
at the top of Mt. Everest
at a place in a valley below sea level
in an aeroplane flying at a height of 10,000 m with inside pressure maintained at the sea level
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Radio telescopes are better than optical telescopes because
they can detect faint galaxies which no optical telescope can
they can work even in cloudy conditions
they can work during the day and night
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit
X-rays
ultraviolet light
visible light
radio waves
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers