For a body moving with non-uniform velocity and uniform acceleration
For a body moving with non-uniform velocity and uniform acceleration (1) Displacement – Time gr…
For a body moving with non-uniform velocity and uniform acceleration (1) Displacement – Time gr…
Plants are dried up in winter due to frost because (1) Evaporation does not take place (2) Pho…
Where are mesons found? (1) Cosmic rays (2) X-rays (3) Gamma rays (4) Laser beam Answer: (…
The hydraulic brakes used in automobiles is a direct application of : (1) Archimedes’ principle…
An electron microscope gives higher magnification than an optical microscope, because : (1) it …
Which of the following metals is used for the manufacture of heating elements provided in electr…
In the atmosphere ultraviolet rays are absorbed by (1) Oxygen (2) Nitrogen (3) Ozone (4) Hel…
Oil rises up the wick in a lamp because (1) Oil is very light (2) Of the diffusion of oil thro…
Dynamo is a device for converting (1) Heat energy into electrical energy (2) Mechanical energy…
The sky appears blue because of (1) Atmospheric water vapour (2) Scattering of light (3) Refl…
The energy emitted by the Sun is due to (1) Chemical reaction (2) Nuclear fission (3) Nuclear…
When a vehicle passes, the TV reception gets distorted. This is because (1) metal reflects radi…
Who measured the velocity of light first? (1) Galileo (2) Newton (3) Romer (4) Einstein Ans…
What is the wavelength of the visible spectrum? (1) 1300 A°–3000 A° (2) 3900 A° – 7600 A° (3)…
Tungsten is used for the manufacture of the filament of an electric bulb, because (1) It is a g…
Electrostatic precipitator is used to control the pollution of (1) air (2) water (3) noise (…
Longitudinal waves cannot travel through (1) Vacuum (2) Solid (3) Liquid (4) Gas Answer: (…
When pressure is increased the melting point of ice (1) increases (2) does not change (3) dec…
A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens d…
Which of the following occurred first? (1) Albert Einstein propounded the General Theory of Rel…