Which of the following Instrument is used to measure rate of fluid, works on Bernoulli’s theorem?
One Astronomical Unit (AU) is the average distance between-
What instrument is used to measure relative humidity?
Which of the following statements about X-rays is INCORRECT ?
Who discovered the electron?
The method of transfer of heat in liquid is
Why does the pole star appear to be fixed in one place while all other stars seem to move from east to west?
The instrument which uses sound waves to measure the depth of oceans is –
How much time does a Geostationary satellite take to complete one orbit, at the height of 35790 km?
Which of the following statements is incorrect?