Velocity of sound in air increases with temperature.
Sound travels faster in steel than in air.
Change of pressure has no effect on the velocity of sound in air.
A loud sound travels faster than a feeble sound.
Which of the following statements is not true regarding LASER?
Which of the following statements related to principal quantum number (n) is not correct?
Which of the following statements related to the unit curie (Ci) is correct?
Which of the following statements represent Hooke’s law?
Which of the following term is not related with sound wave
Which of the following terms is not used in the field of physics?
Which of the following transformers will have smallest size with same electrical specifications?
Which of the following type of mirror is used in the head lights of vehicles
Which of the following type of waves is different from others ?
Which of the following units measure atmospheric pressure?