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1.6 What role SI units have played in the development of science?
1.6 What role SI units have played in the development of science?

1.6 What role SI units have played in the development of science?

iii. Amount of a substance in terms of numbers is measured in:(a) gram(b) kilogramme(c) newton(d) mole
iii. Amount of a substance in terms of numbers is measured in:(a) gram(b) kilogramme(c) newton(d) mole

iii. Amount of a substance in terms of numbers is measured in:(a) gram(b) kilogramme(c) newton(d) mole

5. A chips wrapper is 4.5 \mathrm{~cm} long and 5.9 \mathrm{~cm} wide. Its area upto significant figures will bea) 30 \mathrm{~cm}^{2} b) 28 \mathrm{~cm}^{2} c) 26.55 \mathrm{~cm}^{2} d) 32 \mathrm{~cm}^{2}
5. A chips wrapper is  4.5 \mathrm{~cm}  long and  5.9 \mathrm{~cm}  wide. Its area upto significant figures will bea)  30 \mathrm{~cm}^{2} b)   28 \mathrm{~cm}^{2} c)  26.55 \mathrm{~cm}^{2} d)  32 \mathrm{~cm}^{2}

5. A chips wrapper is 4.5 \mathrm{~cm} long and 5.9 \mathrm{~cm} wide. Its area upto significant figures will bea) 30 \mathrm{~cm}^{2} b) 28 \mathrm{~cm}^{2} c) 26.55 \mathrm{~cm}^{2} d) 32 \mathrm{~cm}^{2}

1.6 On closing the jaws of a Vernier Callipers zero of the vernier scale is on the right to its main scale such that 4th division of its vernier scale coincides with one of the main scale division. Find its zero error and zero correction.
1.6 On closing the jaws of a Vernier Callipers zero of the vernier scale is on the right to its main scale such that 4th division of its vernier scale coincides with one of the main scale division. Find its zero error and zero correction.

1.6 On closing the jaws of a Vernier Callipers zero of the vernier scale is on the right to its main scale such that 4th division of its vernier scale coincides with one of the main scale division. Find its zero error and zero correction.

ii. Which one of the following unit is not a derived unit?(a) pascal(b) kilogramme(c) newton (d) watt
ii. Which one of the following unit is not a derived unit?(a) pascal(b) kilogramme(c) newton (d) watt

ii. Which one of the following unit is not a derived unit?(a) pascal(b) kilogramme(c) newton (d) watt

1.11 Why do we need to measure extremely small interval of times?
1.11 Why do we need to measure extremely small interval of times?

1.11 Why do we need to measure extremely small interval of times?