Solution of HC Verma part 1 I Objective 1 I Class 11 II INTRODUCTION TO PHYSICS CHAPTER 1 II Page 9
Hello Students, This video contain solution of objective I of HC verma book of page number 9
1. Which of the following sets cannot enter into the list of fundamental quantities in any system of units ?
(a) length, mass and velocity,
(b) length, time and velocity,
(c) mass, time and velocity,
(d) length, time and mass.
2. A physical quantity is measured and the result is expressed as nu where u is the unit used and n is the numerical value. If the result is expressed in various
units then
units then
3. Suppose a quantity x can be dimensionally represented in terms of M, L and T, that is, [x] =
m a Lb
— c. The
quantity mass
(a) can always be dimensionally represented in terms of L, T and x,
(b) can never be dimensoinally represented in terms of L, T and x,
(c) may be represented in terms of L, T and x if a = 0, (d) may be represented in terms of L, T and x if a 0.
4. A dimensionless quantity
(a) never has a unit, (b) always has a unit,
(c) may have a unit, (d) does not exist.
5. A unitless quantity
(a) never has a nonzero dimension,
(b) always has a nonzero dimension,
(c) may have a nonzero dimension,
(d) does not exist.
If you have any suggestions,questions then please write in the comment section below..
1. Which of the following sets cannot enter into the list of fundamental quantities in any system of units ?
(a) length, mass and velocity,
(b) length, time and velocity,
(c) mass, time and velocity,
(d) length, time and mass.
2. A physical quantity is measured and the result is expressed as nu where u is the unit used and n is the numerical value. If the result is expressed in various
units then
units then
3. Suppose a quantity x can be dimensionally represented in terms of M, L and T, that is, [x] =
m a Lb
— c. The
quantity mass
(a) can always be dimensionally represented in terms of L, T and x,
(b) can never be dimensoinally represented in terms of L, T and x,
(c) may be represented in terms of L, T and x if a = 0, (d) may be represented in terms of L, T and x if a 0.
4. A dimensionless quantity
(a) never has a unit, (b) always has a unit,
(c) may have a unit, (d) does not exist.
5. A unitless quantity
(a) never has a nonzero dimension,
(b) always has a nonzero dimension,
(c) may have a nonzero dimension,
(d) does not exist.
If you have any suggestions,questions then please write in the comment section below..
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