Physics Test - ...

The time periode of simple pendulum measured inside a stationary lift is found to be T. If the lift starts acclerating upwards with an acceleration g/3, the time periode is

Identify the correct statement among the following

A stone thrown at an angle θ to the horizontal reaches a maximum height h. The time of flight of the stone is

The rise of liquid in a capillary tube has a meniscus. If the angle of contact is 90°, the shape of the meniscus is

A concave mirror gives an image three times as large as the object placed at a distance of 20 cm from it. For the image to be real, the focal length should be

A wheel is rotating at 900 r.p.m. about its axis When power is cut off it comes to rest in 1 minute The angular retardation in rad/s² is

A boat is sent across a river with a velocity of 8 km/h. If the resultant velocity of the boat is 10 km/h, the river is flowing with a velocity of

The rise of liquid due to surface tension in a narrow capillary tube of diameter 'd' is 'h'. If the diameter is reduced to d/2 , the rise will be

A silver voltameter of resistance 2 ohm and a 3 ohm resistor are connected in series across a cell. If a resistance of 2 ohm is connected in parallel with the voltameter, then the rate of deposition of silver

The temperature at which the reading of a Fahrenheit thermometer will be double that of a centigrade thermometer is