UNIT AND DIMENSION | LECTURE 04 | KARAN SONI

LECTURE-1

STATEMENT-1: Velocity gradient has dimensions of frequency STATEMENT-2: Temperature gradient has dimensions of frequency STATEMENT-3: Unit nm is same as unit mN.

STATEMENT 1: Two quantities with different dimensions may have same unit. STATEMENT-2 Two quantities with different units may have same dimensions STATEMENT-3 Unitless quantities must be dimensionless too

STATEMENT-1: Kilowatt hour is a unit of power STATEMENT-2: Work done energy have same SI units. STATEMENT-3: Dimensions of work is ML^(2)T^(2).

Seven different lecturers are to deliver lectures in seven perday. A, B and C are three oftne lectures. The number of ways in which a routine for theday canr be made such that A delivers his lecture before B and B before C, is

Find the number of bricks required to construct a wall of dimensions 3 m xx 1.5 m xx 0.4 m , if the dimension of a brick is 30 cm xx 15 cm xx 8 cm .

In the formula X =5YZ^(2) , X and Z have dimensions of capacitance and magnetic field, respectively. What are the dimensions of Y in SI units?

The centre of the circle touching y-axis at (0,4) and making an intercept 2 units on the positive x-axis is

Mrs Soni bought 15/(2) litres of milk. Out of this milk 23/(4) litres was consumed. How much milk is left with her?

The potential energy (U) of a body of unit mass moving in a one-dimension force field is given by U=(x^(2)-4x+3) . All units are in S.L