Thunder is usually heard some seconds after lightning is ...
Thunder is usually heard some seconds after lightning is observed because
the human eye is more sensitive to light than the ear to sound
sound and light travel in different media
thunder occurs after lightning
light travels faster than sound
Correct answer is D
No explanation has been provided for this answer.
Iron at 30oC feels colder to the hand than wood at 28oC because...
An explosion occurs at an altitude of 312 m above the ground. If the air temperature is -10.00°C...
The resultant force of a couple is ………? ...
The absolute refractive indices of glass and water are 32 and 43 respectiv...
The most suitable type of mirror used for the construction of the search light is the? ...