In which of the following media is the speed of soun...
In which of the following media is the speed of sound the least?
Air
Brass
Water
Wood
Correct answer is A
No explanation has been provided for this answer.
In what range of temperature is the expansion of water anomalous? ...
A galvanometer of internal resistance 50Ω has a full scale deflection for a current of 5mA....
Which of the following statements about pressure in a liquid is correct? ...
A circuit has a resistance of 200Ω. The resistance of the circuit can be reduced to 120Ω when ...
When a girl moves towards a plane mirror at a speed of 4.0m/s, the distance between the girl & h...