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प्रश्न
The coldness or hotness of a substance is expressed by _______.
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उत्तर
The coldness or hotness of a substance is expressed by Temperature.
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संबंधित प्रश्न
One mole of a substance contains _______ atoms or molecules.
The intersection of two straight lines gives us _______.
Temperature is a measure of total kinetic energy of the particles in a system.
Angle formed at the top of a cone is an example for ‘plane angle’
Consider the statement given below and choose the correct option
Assertion: Electric current, amount of substance, luminous intensity are the fundamental physical quantities.
Reason: They are independent of each other.
Consider the statement given below and choose the correct option.
Assertion: Radian is the unit of solid angle.
Reason: One radian is the angle subtended at the center of a circle by an arc of length equal to its radius.
What are the differences between plane angle and solid angle?
Assertion: Radian is the angle subtended at the center of a circle by an arc whose length is equal to the radius of the circle.
Reason: 1 radian = `180/π`
How many base quantities are there?
Mention the SI unit of luminous flux.
