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A Ladder Is Resting With The Wall At An Angle Of 30 Degrees A Man Is Ascending

1) 3 ft/sec 2) (3 / 2) ft/sec 3) (2 / 4) ft/sec 4) (3 / √2) ft/sec Solution: (2)... View Article

1) 220 sq. cm/sec 2) 110 sq. cm/sec 3) 35 sq. cm/sec 4) 350 sq. cm/sec Solution: (1) 220 sq.... View Article

1) 8, 4 2) 4, 4 3) 8, 8 4) None of these Solution: (1) 8, 4 V = πx2y... View Article

1) π / 2 2) 2 / π 3) 2 4) None of these Solution: (2) 2 / π V... View Article

1) – 16 t unit 2) 48 unit 3) – 32 unit 4) None of these Solution: (3) – 32... View Article

1) –2, –5 2) 2, 6 3) –2, 8 4) 2, 8 Solution: (1) –2, –5 Displacement s = –... View Article

1) 5√193 2) √193 3) 5 / √193 4) None of these Solution: (1) 5√193 At time t hours, the... View Article

1) π cm2/s 2) 2π cm2/s 3) 10π cm2/s 4) None of these Solution: (4) None of these Let r... View Article

1) 0 m/s 2) 1 m/s 3) 29.4 m/s 4) None of these Solution: (3) 29.4 m/s Velocity of ball... View Article

With the increase in temperature the kinetic energy of the particles increases and starts moving faster. The kinetic energy of... View Article

Vapour pressure is the measure of the tendency of the liquid to change into a vapour. The vapour pressure is... View Article

According to Pauli’s exclusion principle, no two electrons in the same atom can have the same value for all the... View Article

Vapour pressure and saturation pressure is the same. Saturation pressure is defined as the temperature at which the liquids start... View Article

A voltmeter has positive and negative terminals. The positive input terminal is usually red and the negative terminal is black.

An ideal voltmeter cannot measure the electromotive force of the cell. Current flows from higher potential to lower potential in... View Article

No, the boiling point does not increase with the increase in the vapour pressure. The vapour pressure of the liquid... View Article

Sulfur is a poor conductor of electricity and heat. It does not have any free electrons, the electrons in sulfur... View Article

Which best describes the first law of thermodynamics? Energy can neither be created nor destroyed, but it can change into... View Article

The spring force is also called the restoring force. The spring force is negative because the direction of the force... View Article

Silver is a dielectric material. Dielectric materials get polarised in an electric field. They are used to increase the capacitance... View Article