MEDIUM

Earn 100

Which principle is based on the premise that a business will continue to operate indefinitely?

50% studentsanswered this correctly

Important Questions on Waves

MEDIUM

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

The number of natural numbers less than

7000

which can be formed by using the digits

0, 1, 3, 7, 9

(repetition of digits allowed) is equal to:

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

Molar specific heat of a gas at constant pressure is C. Adiabatic constant of the gas is

γ

. The fraction of the specific heat used to increase the internal energy of the gas is

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

The work done during the expansion of a gas from a volume of

4 d m^{3} t o 6 d m^{3}

against a constant external pressure of 3 atm is

(1 L a t m = 101.32 J)

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

Among them intensive property is

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

The pressure (P) and density $(ρ)$ of a diatomic gas $(γ = \frac{7}{5})$ changes from $P_{1}, ρ_{1}$ to $P_{2}, ρ_{2}$ . What is the value of $\frac{P_{1}}{P_{2}}$ if $\frac{ρ_{1}}{ρ_{2}} = 32 ?$

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

The total internal energy change for a reversible isothermal cycles is

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

An isolated system is that system in which

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

What is the order of energy equivalent to one

erg

, one

joule

and one

calorie

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

An ideal gas is allowed to expand both reversibly and irreversibly in an isolated system. If

T_{i}

is the initial temperature and

T_{f}

is the final temperature, which of the following statements is correct?

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

Internal energy is the sum of:

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

Which of the following is an intensive property?

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

P - V

curve at constant temperature is shown below.

T_{1}

and

T_{2}

in kelvin are:

Question Image

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

Which is an extensive property?

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

One mole of an ideal gas at $300 K$ is expanded isothermally from an initial volume of $1$ litre to $10$ litre. $∆ U$ for this process is:

$(R = 2 cal {mol}^{- 1} K^{- 1})$

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

A system goes from

A

B

via two processes

I

and

II

as shown in figure. If

Δ U_{1}

and

Δ U_{2}

are changes in internal energies in the processes

I

and

II

respectively, then

Question Image

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

Human body is an example of

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

The internal energy of a substance:

MEDIUM

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

Which is included in thermodynamic equilibrium from the following?

EASY

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

Which is the intensive property?

MEDIUM

Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves

One mole of a gas absorbs

300 J

of heat at constant volume and its temperature is raised from

30 ° C to 35 ° C

. The value of

∆ U

Which principle is based on the premise that a business will continue to operate indefinitely?

Important Questions on Waves

Learn and Prepare for any exam you want !