Units and measurements

Question 1

Least count in Vernier Calliper

Answer 1

1 M.S.D - 1 V.S.D

Question 2

Measured Reading in Vernier Calliper

Answer 2

M.S.R + (C.D x L.C.)

Question 3

True Reading

Answer 3

M.R. - Error

Question 4

Least Count in Screw Gauge

Answer 4

Pitch on 1 M.S.D./No. of Divisions on Circular Scale

Question 5

Measured Reading in Screw Gauge

Answer 5

M.S.R + ( C.D. x L.C)

Question 6

Negative Error in Screw Gauge

Answer 6

Total number of divisions - (Coinciding Digits x Least Count)

Question 7

Momentum(p)

Answer 7

Mass(m) x Velocity(v)

Question 8

Energy (E)

Answer 8

Force(F) x Displacement(x)

Question 9

Power(P)

Answer 9

Energy (E) /Time (T)

Question 10

Pressure(P)

Answer 10

Force (F) /Area (x^2)

Question 11

Torque(M)

Answer 11

Force(F) x Distance (x)

Question 12

Impulse

Answer 12

Force(F) x Time (T)

Question 13

Stress

Answer 13

Force(F) /Area (x^2)

Question 14

Surface Tension

Answer 14

Force(F) /Length (x)

Question 15

Energy Density

Answer 15

Energy(E) /Volume (V)

Question 16

Coefficient of viscosity

Answer 16

ML^-1T^-1

Question 17

Angular Velocity, Frequency, Velocity Gradient

Answer 17

T^-1

Question 18

Angular Acceleration

Answer 18

T^-2

Question 19

Moment of Inertia

Answer 19

ML^2

Question 20

Angular Momentum

Answer 20

ML^2T^-1

Question 21

Plank’s Constant

Answer 21

ML^2T^-1

Question 22

Pressure Gradient

Answer 22

L^-2T^-2

Question 23

Force/Spring Constant (K)

Answer 23

MT^-2

Question 24

Energy/Work/Heat/Enthalpy

Answer 24

ML^2T^-2

Question 25

Latent Heat

Answer 25

L^2T^-2

Question 26

Boltzmann’s Constant

Answer 26

ML^2T^-3

Question 27

Intensity/Solar Constant

Answer 27

MT^-3

Question 28

Gravitational constant

Answer 28

M^-1L^3T^-2