Question Answers

The voltage of an AC source varies with time according to the relation: E = 120 sin 100 pie t cos 100 pie t V. What is the peak voltage of the source ? The voltage of an AC source varies with time according to the relation: E = 120 sin 100 pie t cos [...]

A double slit experiment is performed with light of wavelength 500 nm. A thin film of thickness 2μm and refractive index 1.5 is introduced in the path of the upper beam. The location of the central maximum will The camera lens has an aperture of f and the exposure time is (1/60)s. What will be [...]

An AC source rated 100 V ( rms ) supplies a current of 10 A ( rms ) to a circuit. The average power delivered by the source : An AC source rated 100 V ( rms ) supplies a current of 10 A ( rms ) to a circuit. The average power delivered by [...]

The power factor of the circuit in figure is 1/root 2. The capacitance of the circuit is equal to The power factor of the circuit in figure is 1/root 2. The capacitance of the circuit is equal to October 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

A vessel of volume 20 L contains a mixture of hydrogen and helium at temperature of 27 C and pressure 2.0 atm. The mass of the mixture is 5 g. Assuming the gases to be ideal, A vessel of volume 20 L contains a mixture of hydrogen and helium at temperature of 27 C and [...]

The capacity of a vessel is 3 L. It contains 6 g oxygen, 8 g nitrogen and 5 g CO2 mixture at 27 C. If R = 8.31 J/mol K, then the pressure in the vessel in N/m^2 will be 8 g nitrogen and 5 g CO2 mixture at 27 C. If R = 8.31 [...]

In the above question, the average value of voltage ( V ) in one time period will be In the above question the average value of voltage ( V ) in one time period will be October 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,

Pressure versus temperature graph of an ideal gas of equal number of moles of different volumes is plotted as shown in the given figure. Choose the correct alternative. Pressure versus temperature graph of an ideal gas of equal number of moles of different volumes is plotted as shown in the given figure. Choose the correct [...]

What reading would you expect of a square – wave current, switching rapidly between + 0.5 A and – 0.5 A, when passed through an ac ammeter ? switching rapidly between + 0.5 A and - 0.5 A What reading would you expect of a square - wave current when passed through an ac ammeter [...]

If pressure of a gas contained in a closed vessel is increased by 0.4% when heated by 1 C, the initial temperature must be If pressure of a gas contained in a closed vessel is increased by 0.4% when heated by 1 C the initial temperature must be October 27, 2020 Category: Uncategorised (JEE Advanced [...]