Tamil Nadu Board Solutions for Chapter: Measurement, Exercise 1: textbook exercises

Differentiate mass and weight.

How will you measure the least count of vernier caliper?

Explain a method to find the thickness of a hollow tea cup.

How will you find the thickness of a one rupee coin?

Inian and Ezhilan argue about the light year. Inian tells that it is $9.46\times {10}^{15 }\mathrm{m}$ and Ezhilan argues that it is $9.46\times {10}^{12 }\mathrm{km}$. Who is right? Justify your answer.

The main scale reading while measuring the thickness of a rubber ball using Vernier Caliper is $7 \mathrm{cm}$ and the Vernier scale coincidence is $6$. Find the radius (in $\mathrm{cm}$) of the ball up to two decimal points.(Least count = $0.01 \mathrm{cm}$)

Find the thickness (in $\mathrm{mm}$) of a five rupee coin with the screw gauge, if the pitch scale reading is $1 \mathrm{mm}$ and its head scale coincidence is $68$. Give the answer in up to two decimal points. (Least count = $0.01 \mathrm{mm}$)

Find the mass (in $\mathrm{kg}$) of an object weighing $98 \mathrm{N}$. ($g=9.8 {\mathrm{ms}}^{-1}$)