Which of the following simple machines is a second class ...
Which of the following simple machines is a second class lever?
wheel barrow
crowbar
claw hammer
seesae
Correct answer is A
No explanation has been provided for this answer.
The length of mercury thread when it is at 0°C, 100°C and at an unknown temperature \(\theta...
When two mirrors are placed at an angle of 90º to each other, how many images will be form...
Which of the following substances undergoes sublimation? ...
The diagram above shows two capacitors P and Q of capacitance 2μF and 4μF respectively connect...
The amplitude of a wave is the ...
If the refractive index of water is 1.33, what is the critical angle for a water-air boundary? ...
A sealed flask contains 600cm3 of air at 27°C and is heated to 35°C at constant pressure. Th...