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The correct answer is B
Which of the following is not a natural polymer?
What will happen to the volume of ozone, when it is heated?
The refractive index of glass is 1.5. What is the speed of light in glass?
(Speed of light in vacuum is 3.0 ×108 m s-1)
Which law describes the relationship between the force applied to a spring and its extension or compression?
Pycnometer is an instrument used to measure the –
Two charges, +3 µC and –3 µC, are placed 1 m apart in vacuum. What is the electrostatic potential energy of the system?
A rod PQ of length 0.6 m moves on smooth rails with speed 3 m/s in a magnetic field B = 0.5 T. The rails form a closed circuit with 4 Ω resistance. Fin...
The charge of an electron is approximately:
The balance point in a potentiometer for a cell of emf 1.5 V is 60 cm. If a resistance of 5 Ω is connected in parallel with the cell and the new balanc...
In a closed organ pipe, the frequencies of vibration are in the ratio: