12th grade

The number of moles of a gas is directly proportional to the volume, provided:

• Temperature is constant.

• Pressure is constant.

• Both pressure and temperature are constant.

• None of the above.

Which of the following quantities is conserved in all types of collisions?

• Kinetic energy

• Momentum

• Internal energy

• Velocity

A car of mass 10 kg, is moving with a speed of 2m/s. What is the kinetic energy of the car?

• 20 J

• 40 J

• 10 J

• 50 J

The photoelectric effect provides evidence for the:

• Particle nature of light

• Wave nature of light

• Conservation of energy

• Dual nature of matter

If A={1,2,3,4,5} and B={3,4,5,6,7} then the intersection A∩B is:

• {1,2,3}

• {3,4,5}

• {1,2,6,7}

• {1,7}

Who is known as the "Iron Man" in India?

• Vallabhbhai Patel

• Bhagat Singh

• Mahatma Gandhi

• Subhash Chandra Bose

What is the capital of Japan?

• Beijing

• Seoul

• Tokyo

• Bangkok

In which year did the Indian Constitution come into effect?

• 1945

• 1950

• 1947

• 1948

Which is the smallest continent in the world?

• Africa

• Asia

• Europe

• Australia

Who wrote the famous play "Romeo and Juliet"?

• Charles Dickens

• William Shakespeare

• Leo Tolstoy

• Mark Twain