A plane electromagnetic wave of frequency 20 MHz travels through a space along
A plane electromagnetic wave of frequency 20 MHz travels through a space along x-direction. If the electric field vector at…
8 years ago
Questions
The speed of electromagnetic waves in vaccum is equal to
The speed of electromagnetic waves in vaccum is equal to Options (a) μ₀ε₀ (b) √(μ₀ε₀) (c) 1/√(μ₀ε₀) (d) 1/(μ₀ε₀) Correct…
8 years ago
A jar is filled with two non-mixing liquids 1 and 2 having densities
A jar is filled with two non-mixing liquids 1 and 2 having densities ρ₁ and ρ₂ respectively. A solid ball,…
8 years ago
In the given (V – T) diagram, what is the relation between pressure P₁ and P₂?
In the given (V - T) diagram, what is the relation between pressure P₁ and P₂? Options (a) P₂ >…
8 years ago
At what temperature will the rms speed of air molecules be double that of NTP?
At what temperature will the rms speed of air molecules be double that of NTP? Options (a) 519⁰C (b) 619⁰C…
8 years ago
Six molecules have speeds 2 units, 5 units, 3 units, 6 units, 3 units and 5 units
Six molecules have speeds 2 units, 5 units, 3 units, 6 units, 3 units and 5 units respectively. The rms…
8 years ago
An insulated container of gas has two champers seperated by an insulating partition.
An insulated container of gas has two champers seperated by an insulating partition. One of the chambers has volume V₁…
8 years ago
Shear modulus is zero for
Shear modulus is zero for Options (a) Solids (b) Liquids (c) Gases (d) Liquids and Gases Correct Answer: GasesExplanation:Even viscosity…
8 years ago
At a given temperature the root mean square velocities of oxygen and hydrogen
At a given temperature the root mean square velocities of oxygen and hydrogen molecules are in the ratio Options (a)…
8 years ago
The root mean square speed of oxygen molecule (O₂) at a certain temperature is v.
The root mean square speed of oxygen molecule (O₂) at a certain temperature is v. If the temperature is doubled…
8 years ago