Units of electricity consumed by 2500 watt air-conditioner in one hour are_________?
A. 25 units B. 2.25 units C. 2.5 units D. 0.25 units
It is observed that the total pressure exerted by air on the man of average size is around 14.7 lb wt. per square inch. But the man feels quite comfortable,. It is because of__________?
A. An equal and opposite pressure acts from inside B. of the height of a man C. of gravity D. Earth pulls the man upward
In general, wind speed of 10-13 kph caused——-?
A. Minor or no damage B. Considerable damage C. Severe damage D. Extreme damage
Wind energy is the ——-energy.
A. Potential B. Transverse C. Kinetic D. Mechanical
Sound waves are——-waves.
A. Transverse B. Electromagnetic C. Longitudinal D. None of these
Which from the following is true for “Sound”?
A. Sound cannot travel through gases B. Sound cannot travel through a vacuum C. Sound cannot travel through liquids D. Sound cannot travel through solids
The branch of physics which deals with the living things is called——-?
A. Biological Science B. Physical Science C. Cell Science D. Elementary
Physics is one of the branch of ——–?
A. Physical Science B. Biological Science C. Social Science D. Life Science Branch
The Branch of science which deals with the properties of matter and energy is called———?
A. Biology B. Geography C. Physics D. Chemistry