General Science: Physics

You are sitting inside an open vehicle moving with uniform speed. When you throw a stone vertically upwards, the stone will fall__:

In which among the following, the speed of sound would be maximum?

Consider the following statements:

1. International Space Station is stationary when seen from Earth

2. An astronaut in International Space Station feels complete weightlessness

3. International Space Station is always in a state of Freefall

   Which among the above statements is/ are correct?

The wavelengths for the light of red and blue colors are distinctly different. In this context, consider the following statements:

1. In a vacuum, both red and blue colors have the same speed

2. In the glass, the speed of red color is more than the blue color

   Which among the above statements is/are correct?

Consider the following differences between conduction and convection modes of transfer of heat:

1. While there is no actual movement of the molecules in conduction; convection is the transfer of heat by the actual movement of molecules

2. While the transfer of heat by conduction occurs in solids; transfer of heat by convection occurs in liquids and gases

   Which among the above is/are correct statements?

The X-Rays and Gamma Rays are similar to each other in which of the following respects?

1. They have almost similar wavelengths

2. They have almost similar penetrating capacity

3. They are electromagnetic waves

4. They travel at the speed of light

5. Both are ionizing in nature

   Select the correct option from the codes given below:

Which among the following keep changing for a body in uniform circular motion?

1. Speed

2. Amplitude

3. Velocity

4. Acceleration

Choose the correct option from the codes given below:

Which among the following is/are correct statements?

1. Friction converts Kinetic energy to radiation energy

2. A collision of two bodies can be said to be perfectly inelastic if no energy is exchanged between them Select the correct option from the codes given below:

The speed of the sound increases when there is an increase in the

1. temperature

2. moisture

Select the correct option from the codes given below:

What is the difference between GSLV and PSLV?

1. While PSLV is designed mainly to deliver the earth-observation satellites, GSLV is designed mainly to deliver the communication-satellites

2. While PSLV is a three-stage vehicle, GSLV is a four-stage vehicle Select the correct option from the codes given below: