The correct answer is B
Which Instrument is used to measure depth of ocean?
The instrument which uses sound waves to measure the depth of oceans is –
What is the work done by a force when the angle θ is 90 degrees?
The waves which are less than 20Hz are known as
The method of transfer of heat in liquid is
What is the pH of Urine ?
Which of the following is/are NOT scalar quantities?
How much calorie of energy is released by a boiled egg?
During __________ motion of an object along a straight line, the change in velocity of the object for any time interval is zero.
How does an earphone convert electrical signals into sound?
