Atomic explosion is triggered by which kind of reaction?
uncontrolled chain reaction
An atomic explosion is triggered by an uncontrolled chain reaction. In nuclear physics, a chain reaction occurs when the fission of one atomic nucleus releases neutrons that trigger further fissions, resulting in a self-sustaining series of reactions. In the context of an atomic explosion, this process is not regulated or contained, leading to a rapid release of energy, which is the essence of the explosion.
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Important Questions from Physics
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.
