JEE Mains Physics 2002-2019 Solved Video Solutions
The internal energy (U), pressure (P) and volume (V) of an ideal gas are related as U = 3PV + 4. The gas is :
26
Sep
The internal energy (U), pressure (P) and volume (V) of an ideal gas are related as U = 3PV + 4. The gas is : pressure (P) and volume (V) of an ideal gas are related as U = 3PV + 4. The gas is : The internal energy (U) September 26, 2021 Category: JEE [...]
A cord is wound round the circumference of wheel of radius r. the axis of the wheel is horizontal and moment of inertia about it is I A weight mg is attached to the end of the cord and falls from the rest. After falling through the distance h. the angular velocity of the wheel will be….
26
Sep
A cord is wound round the circumference of wheel of radius r. the axis of the wheel is horizontal and moment of inertia about it is I A weight mg is attached to the end of the cord and falls from the rest. After falling through the distance h. the angular velocity of the wheel [...]
The trajectory of a projectile in a vertical plane is y=αx−βx^2 where α and β are constants and x and y are respectively the horizontal and vertical distances of the projectile from the point of projection. The angle of projection theta and the maximum height attended H are respectively given by:
26
Sep
The trajectory of a projectile in a vertical plane is y=αx−βx^2 where α and β are constants and x and y are respectively the horizontal and vertical distances of the projectile from the point of projection. The angle of projection theta and the maximum height attended H are respectively given by: The logic circuit shown [...]
A particle executes S.H.M., the graph of velocity as a function of displacement is :
26
Sep
A particle executes S.H.M., the graph of velocity as a function of displacement is : A particle executes S.H.M. the graph of velocity as a function of displacement is : September 26, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
A tuning fork A of unknown frequency produces 5 beats/s with a fork of known frequency 340 Hz. When fork A is filed, the beat frequency decreases to 2 beats/s. What is the frequency of fork A ?
26
Sep
A tuning fork A of unknown frequency produces 5 beats/s with a fork of known frequency 340 Hz. When fork A is filed, the beat frequency decreases to 2 beats/s. What is the frequency of fork A ? A tuning fork A of unknown frequency produces 5 beats/s with a fork of known frequency 340 [...]
An aeroplane, with its wings spread 10 m, is flying at a speed of 180 km/h in a horizontal direction. The total intensity of earth’s field at that part is 2.5 × 10^–4 Wb/m^2 and the angle of dip is 60°. The emf induced between the tips of the plane wings will be :-
26
Sep
An aeroplane, with its wings spread 10 m, is flying at a speed of 180 km/h in a horizontal direction. The total intensity of earth’s field at that part is 2.5 × 10^–4 Wb/m^2 and the angle of dip is 60°. The emf induced between the tips of the plane wings will be :- An [...]
The length of a metal wire is l1 when the tension in it is T1. It is l2 when the tension is T2. The original length of the wire is
26
Sep
The length of a metal wire is l1 when the tension in it is T1. It is l2 when the tension is T2. The original length of the wire is The length of a metal wire is l1 when the tension in it is T1. It is l2 when the tension is T2. The original [...]
If ‘C’ and ‘V’ represent capacity and voltage respectively then what are the dimensions of λ, where C/V = λ ?
26
Sep
If ‘C’ and ‘V’ represent capacity and voltage respectively then what are the dimensions of λ, where C/V = λ ? If 'C' and 'V' represent capacity and voltage respectively then what are the dimensions of λ where C/V = λ ? September 26, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice [...]
The maximum and minimum amplitude of an amplitude modulated wave is 16V and 8V respectively. The modulation index for this amplitude modulated wave is x × 10^–2. The value of x is…..
26
Sep
The maximum and minimum amplitude of an amplitude modulated wave is 16V and 8V respectively. The modulation index for this amplitude modulated wave is x × 10^–2. The value of x is….. The maximum and minimum amplitude of an amplitude modulated wave is 16V and 8V respectively. The modulation index for this amplitude modulated wave [...]
In a series LCR resonant circuit, the quality factor is measured as 100. If the inductance is increased by two fold and resistance is decreased by two fold, then the quality factor after this change will be…….
26
Sep
In a series LCR resonant circuit, the quality factor is measured as 100. If the inductance is increased by two fold and resistance is decreased by two fold, then the quality factor after this change will be……. In a series LCR resonant circuit the quality factor is measured as 100. If the inductance is increased [...]