A pipe of length 45cm is closed at the end. Calculate the fundamental frequency of the sound wave generated in the pipe if the velocity of sound in air is 3...

In the circuit diagram above, calculate the current in the 12 Ω resistor if the cell has an emf of 12V and an internal resistance of 1Ω

What is the reading of the vernier calipers shown above?

The figure above shows a uniform wood of weight 200N and length 50m. It is pivoted at one end and suspended by a cord at the other end at an angle of 30 degr...

In the curve above, PQRST represents an alternating voltage of frequency 50Hz. The time interval between points P and R on the graph is

A spring of length 25cm is extended to 30cm by a load of 150N attached to one of its end, what is the energy stored in the spring?

In the figure above, XY is of length 1m, The value of R at balance point Z is Options

If two parallel conductors carry currents flowing in the same direction, the conducts will

In the figure above if the atmospheric pressure is 760mm, the pressure of the chamber G is