A piece of cork floating on water is acted upon by the fo...
A piece of cork floating on water is acted upon by the forces of...
Weight and viscosity
weight and upthrust
upthrust and viscosity
weight only
upthrust only
Correct answer is B
No explanation has been provided for this answer.
An object is heated from 30°C to 57°C. The increase in its temperature on the Kelvin scale i...
For a best result using temperature to achieve an accurate measurement, it is best to use ...
The current in a series R-L-C circuit attains its maximum value when the ...
A sealed flask contains 600cm3 of air at 27°C and is heated to 35°C at constant pressure. Th...
Vibration in a stretched spring cannot be polarized because they are ...
Which of the following quantities are scalars? i. Electrical potential ii. Torque iii. Momentum...
The velocities of light in air and glass are 3.0 x108ms−1 and 1.8 ×10\(^8...