Applied Physics

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What are the basic physical quantities in the SI system?

Length, mass, time, electric current, temperature, amount of substance, luminous intensity (correct)

Area, angle, momentum, displacement, resistance, capacitance, frequency

Weight, volume, density, speed, energy, power, pressure

Distance, force, velocity, acceleration, work, torque, frequency

What is the principle behind the working of Vernier calipers?

Measurement by the deflection of a spring

Measurement by the relative position of two scales (correct)

Measurement by the expansion of a fluid

Measurement by the rotation of a wheel

What is meant by error in measurements?

Variation in measurements due to atmospheric conditions

Inaccuracy caused by the instrument's color

Difference between measured value and true value (correct)

Error introduced by the observer's perspective

What is the impulse of force?

The product of force and time Signup and view all the answers

How can the relation between newton and dyne be derived?

1 dyne = 10^-5 newton Signup and view all the answers

What is the symbol for the unit of force in the SI system?

N Signup and view all the answers

In the context of significant figures, which law states that in multiplication or division, the result should have the same number of significant figures as the quantity with the fewest significant figures?

Law of Division Signup and view all the answers

Which physical quantity is measured in dyne in the CGS system?

Force Signup and view all the answers

What is the SI unit of angular momentum?

kg m/s Signup and view all the answers

In the context of circular motion, which physical quantity is defined as the product of an object's mass and its velocity?

Linear momentum Signup and view all the answers

Applied Physics

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Questions and Answers

What are the basic physical quantities in the SI system?

What is the principle behind the working of Vernier calipers?

What is meant by error in measurements?

What is the impulse of force?

How can the relation between newton and dyne be derived?

What is the symbol for the unit of force in the SI system?

In the context of significant figures, which law states that in multiplication or division, the result should have the same number of significant figures as the quantity with the fewest significant figures?

Which physical quantity is measured in dyne in the CGS system?

What is the SI unit of angular momentum?

In the context of circular motion, which physical quantity is defined as the product of an object's mass and its velocity?

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