If force (F), velocity (V) and time (T) are considered as fundamental physical quantities, then dimensional formula of density will be:
(2)
The electric resistance of medium depends upon permeability and permittivity as given below . If . The value of N is ...........
(1)
An expression of energy density is given by . Where are constants, is displacement, is Boltzmann constant and is the absolute temperature. The dimensions of will be:
(4)
If F is force, V is velocity, H is latent heat, and s is specific heat, then match the quantity given in Column I with the dimensions given in Column II.
| Column I | Column II | ||
| i. | F | a. | |
| ii. | V | b. | |
| iii. | H | c. | |
| iv. | S | d. |
i → c, ii → d, iii → a, iv → b
i → a, ii → b, iii → c, iv → d
i → d, ii → a, iii → b, iv → c
i → c, ii → a, iii → b, iv → d
(1)
Match list I with list II:
| List I | List II | ||
| a) | Torque | (i) | |
| b) | Impulse | (ii) | |
| c) | Tension | (iii) | |
| d) | Surface tension | (iv) |
Choose the most appropriate answer from the options given below:
a)-(iii), b)-(iv), c)-(i), d)-(ii)
a)-(iii), b)-(i), c)-(iv), d)-(ii)
a)-(i), b)-(iii), c)-(iv), d)-(ii)
a)-(ii), b)-(i), c)-(iv), d)-(iii)
(2)
The dimensional formula of ( = permittivity of vacuum and = electric field) is . The value of = ______. [2026]
0
1
-1
2
(2)
Dimensions of universal gravitational constant in terms of Planck's constant , distance , mass and time are ______. [2026]
(2)
Match List-I with List-II.
| List-I | List-II | ||
| A. | Planck’s constant | I. | |
| B. | Stopping potential | II. | |
| C. | Work function | III. | |
| D. | Threshold frequency | IV. |
Choose the correct answer from the options given below: [2026]
A-III, B-IV, C-I, D-II
A-I, B-II, C-III, D-IV
A-IV, B-III, C-I, D-II
A-I, B-IV, C-III, D-II
(1)
(A)
(B)
(C)
(D)
L, C and R represents physical quantities inductance capacitance and resistance respectively. The dimensional formula corresponds to ______. [2026]
(1)
Match List-I with List-II.
| List-I | List-II | ||
| A. | Meter (L) | I. | |
| B. | Second (S) | II. | |
| C. | Kilogram (M) | III. | |
| D. | Kelvin (K) | IV. |
where (Planck’s constant), (gravitational constant) and (speed of light in vacuum) as fundamental units.
Choose the correct answer from the options given below: [2026]
A-II, B-IV, C-I, D-III
A-IV, B-II, C-I, D-III
A-IV, B-I, C-II, D-III
A-III, B-I, C-II, D-IV
(2)
The potential energy of a particle changes with distance from a fixed origin as , where and are constant with appropriate dimensions. The dimension of are ______. [2026]
(4)
Match List-I with List-II. [2026]
| List-I | List-II | ||
| A. | Boltzmann constant | I. | |
| B. | Stefan’s constant | II. | |
| C. | Planck’s constant | III. | |
| D. | Gravitational constant | IV. |
A-I, B-II, C-III, D-IV
A-IV, B-III, C-II, D-I
A-III, B-IV, C-II, D-I
A-II, B-I, C-IV, D-III
(3)
Consider the equation
Where = magnetising intensity; = electric field; = permittivity, = distance, = time. The values of and respectively are [2026]
1, 1, 1, 1
-1, 1, 2, 1
1, -1, -2, 1
-1, -2, -2, 1
(1)
A ball of radius and density dropped through a viscous liquid of density and viscosity attains its terminal velocity at time , given by , where is a constant and and are integers. The value of is ______. [2026]
(1)