speed is inversely prortional to time. So, if speed is 4 times the time taken is one-fourth
104) The speed of sound in water is four times its speed in air. When a sound wave of frequency 'n' and wavelength λ enters from air into water, then its frequency and wavelength will respectively become
Answer is:
n and 4λ
Explanation:
Related General Physics MCQ with Answers
Answer is:
200 to 250 V
Explanation:
for arc welding dc voltage required is 200 to 250 V
Answer is:
Weight of the body minus weight of the liquid
Explanation:
If the body is floating then its weight is the Weight of the body minus weight of the liquid
Answer is:
Ag
Explanation:
Silver is a chemical element with the symbol Ag and atomic number 47. A soft, white, lustrous transition metal, it exhibits the highest electrical conductivity, thermal conductivity, and reflectivity of any metal.
