Speed of sound in water at 20 °C is___________?

Related Mcqs:

People living in high altitudes (like mountains) usually have a _________?

A. smaller number of Red Blood Cells B. larger number of Red Blood Cells C. smaller number of White Blood Cells D. larger number of White Blood Cells...

Of the six noble gases in the periodic table, which is the lightest?

A. Nitrogen B. Hydrogen C. Helium D. Oxygen...

What percentage of earth’s water supply is fresh water___________?

A. 3% B. 5% C. 21% D. None of these...

study of joints called:

a. Esthesiology b. Splanchnology c. Arthrology  d. Anthropology e. None of above...

Television signals are converted into light signals by ?

A: Optical fibre B: Transistor C: Decoder D: Photo diode...