Which is incorrect about thermal process
Which is incorrect about thermal process
Options
(a) In an isobaric process ΔP=0 (b) In an isochoric process ΔW=0 (c) In an isothermal process ΔT=0 (d) In an isothermal process ΔQ=0
Correct Answer: […]
Questions
The logic behind NOR gate is that it gives
The logic behind NOR gate is that it gives
Options
(a) high output when one input is low and other is high (b) high output when both inputs are low (c) high output […]
Identify the pair whose dimensions are equal
Identify the pair whose dimensions are equal
Options
(a) torque and work (b) stress and energy (c) force and stress (d) force and work
Correct Answer:
torque and work
Explanation:
No explanation available. […]
Electrons in the atom are held to the nucleus by
Electrons in the atom are held to the nucleus by
Options
(a) Coulomb’s forces (b) nuclear forces (c) van der waal’s forces (d) gravitational forces
Correct Answer:
Coulomb’s forces
Explanation:
No explanation available. […]
Which dimensions will be the same as that of time?
Which dimensions will be the same as that of time?
Options
(a) LC (b) R/L (c) L/R (d) C/L
Correct Answer:
L/R
Explanation:
No explanation available. Be the first to write the explanation […]
Moment of inertia, along the diameter of a ring is
Moment of inertia, along the diameter of a ring is
Options
(a) 3MR² / 2 (b) MR² / 2 (c) MR² (d) 2MR²
Correct Answer:
MR² / 2
Explanation:
No explanation available. Be […]
The angular velocity of second’s hand of a watch is
The angular velocity of second’s hand of a watch is
Options
(a) 0.053 rad/s (b) 0.210 rad/s (c) 0.105 rad/s (d) 0.42 rad/s
Correct Answer:
0.105 rad/s
Explanation:
No explanation available. Be the […]
Mass of the nucleons together in a heavy nucleus is
Mass of the nucleons together in a heavy nucleus is
Options
(a) greater than mass of nucleus (b) equal to mass of nucleus (c) less than mass of nucleus (d) any of these
The dimensional formula for Boltzmann’s constant is
The dimensional formula for Boltzmann’s constant is
Options
(a) ML²T⁻²θ⁻¹ (b) ML²T⁻² (c) ML⁰T⁻²θ⁻¹ (d) ML⁻²T⁻¹θ⁻¹
Correct Answer:
ML²T⁻²θ⁻¹
Explanation:
The Boltzmann constant has the dimension is. energy/temperature.
The same as entropy.
so, the […]
Under constant pressure, graph between P and 1/V is a
Under constant pressure, graph between P and 1/V is a
Options
(a) parabola (b) hyperbola (c) straight line (d) circle
Correct Answer:
straight line
Explanation:
No explanation available. Be the first to write […]