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Unit and Dimensions Quiz for Class 11 Physics

9 Questions

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Unit and Dimensions Quiz for Class 11 Physics

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Questions and Answers

Which of the following is a dimensionless quantity?

Velocity

Density

Time

Refractive index (correct)

What is the dimensional formula for work?

M L T^-2

M L^2 T^-2 (correct)

M L^2 T^2

M L^2 T^-1

Which of the following is a derived physical quantity?

Momentum (correct)

Time

Mass

Length

Which of the following is a fundamental quantity?

Mass Signup and view all the answers

Which of the following is NOT a dimensionless quantity?

Momentum Signup and view all the answers

Which of the following is a derived physical quantity?

Velocity Signup and view all the answers

Which of the following is NOT a dimensionless quantity in the context of units and dimensions?

Stress Signup and view all the answers

Which of the following is a dimensionally correct equation for the period of a simple pendulum?

T = 2π√(l/g) Signup and view all the answers

Which of the following is a fundamental unit in the SI system of units?

Meter Signup and view all the answers

Study Notes

Dimensions and Units

Strain is a dimensionless quantity.
The dimensional formula for work is [ML²T⁻²].
Velocity is a derived physical quantity.
Length is a fundamental quantity.
Acceleration is NOT a dimensionless quantity.
Force is a derived physical quantity.
Angle is NOT a dimensionless quantity in the context of units and dimensions.
The equation T = 2π √(L/g) is a dimensionally correct equation for the period of a simple pendulum.
Meter is a fundamental unit in the SI system of units.

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Description

Test your knowledge on unit and dimensions in Class 11 physics with this quiz! Identify dimensionless quantities, determine dimensional formulas for work, and recognize derived physical quantities. Perfect for students looking to reinforce their understanding of these fundamental concepts.