MEDIUM
11th CBSE
IMPORTANT
Earn 100

If the unit of force is 100 N, unit of length is 10 m and unit of time is 100 s. What is the unit of mass in this system of units ?

Important Questions on Units and Measurement

MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 11>Chapter 2 - Units and Measurement>SA>Q 2.31
Give an example of a physical quantity which has a unit but no dimensions.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 11>Chapter 2 - Units and Measurement>SA>Q 2.31
Give an example of a physical quantity which has neither unit nor dimension.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 11>Chapter 2 - Units and Measurement>SA>Q 2.31
Give an example of a constant which has a unit.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 11>Chapter 2 - Units and Measurement>SA>Q 2.31
Give an example of a constant which has no unit
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 11>Chapter 2 - Units and Measurement>SA>Q 2.32
Calculate the length of the arc of a circle of radius 31.0 cm which subtends an angle of π6 at the center.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 11>Chapter 2 - Units and Measurement>SA>Q 2.33
Calculate the solid angle subtended by the periphery of an area 1cm2 at a point situated symmetrically at a distance of 5cm from the area.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 11>Chapter 2 - Units and Measurement>SA>Q 2.35
Time for 20 oscillations of a pendulum is measured as t1=39.6 s; t2=39.9 s; t3=39.5 s; What is the precision in the measurements? What is the accuracy of measurement?
HARD
11th CBSE
IMPORTANT
NCERT Exemplar Physics - Class 11>Chapter 2 - Units and Measurement>LA>Q 2.36
A new system of units is proposed in which unit of mass is α kg unit of length β m and unit of time γ s. How much will 5 J measure in this new system?