The force that a neutron exerts on a proton inside an atom is:
Nuclear force
Inside a nucleus, protons and neutrons (collectively nucleons) are held together by a very strong short-range attractive interaction called the nuclear force, or strong nuclear force.
This force acts between all nucleons regardless of electric charge and is far stronger than the electrostatic and gravitational forces at nuclear distances.
The electrostatic force acts only between charged particles, gravitational force is far too weak at this scale, and tidal force is a large-scale gravitational effect.
Hence, Nuclear force.
A technician is designing a solar power plant in central India. Understanding the value of the solar constant is necessary for planning the plant’s capacity as:
Which of the following vectors correctly represents the displacement if an object moves from the point (0, 0) to the point (4, -3) in a plane?
Which of the following is an energy source that is an alternative to conventional fossil fuels?
Nuclear fusion reactions occur spontaneously in:
An electric fuse is based on:
What is the colour of the light emitted by the Sun?
Lightning occur in the sky when two clouds:
With reference to street-lighting, how do sodium lamps differ from LED lamps?
1. Sodium lamps produce light in 360 degrees but it is not so in the case of LED lamps.
2. As street lights, sodium lamps have a longer life span than LED lamps.
3. The spectrum of visible light from sodium lamps is almost monochromatic while LED lamps offer significant colour advantages in street lighting.
Select the correct answer using the code given below.
Which one of the following is a reason why astronomical distances are measured in light-years?
In a pressure cooker, the temperature at which the food is cooked depends mainly upon which of the following?
1. Area of the hole in the lid
2. Temperature of the flame
3. Weight of the lid
Select the correct answer using the code given below.