JEE Mains Physics 2002-2019 Solved Video Solutions
A particle is travelling 4 times as fast as an electron. Assuming the ratio of de-Broglie wavelength of a particle to that of electron is 2 : 1, the mass of the particle is :-
29
Sep
A particle is travelling 4 times as fast as an electron. Assuming the ratio of de-Broglie wavelength of a particle to that of electron is 2 : 1, the mass of the particle is :- A particle is travelling 4 times as fast as an electron. Assuming the ratio of de-Broglie wavelength of a particle [...]
In Young’s double slit arrangement, slits are separated by a gap of 0.5 mm, and the screen is placed at a distance of 0.5 m from them. The distance between the first and the third bright fringe formed when the slits are illuminated by a monochromatic light of 5890 Å is :-
29
Sep
In Young’s double slit arrangement, slits are separated by a gap of 0.5 mm, and the screen is placed at a distance of 0.5 m from them. The distance between the first and the third bright fringe formed when the slits are illuminated by a monochromatic light of 5890 Å is :- and the screen [...]
A radioactive sample disintegrates via two independent decay processes having half lives T^( 1 ) 1 / 2 and T^( 2 ) 1 / 2 respectively. The effective half-life T1/2 of the nuclei is :
29
Sep
A radioactive sample disintegrates via two independent decay processes having half lives T^( 1 ) 1 / 2 and T^( 2 ) 1 / 2 respectively. The effective half-life T1/2 of the nuclei is : A radioactive sample disintegrates via two independent decay processes having half lives T^( 1 ) 1 / 2 and T^( [...]
The P-V diagram of a diatomic ideal gas system going under cyclic process as shown in figure. The work done during an adiabatic process CD is (use γ = 1.4) :
29
Sep
The P-V diagram of a diatomic ideal gas system going under cyclic process as shown in figure. The work done during an adiabatic process CD is (use γ = 1.4) : The P-V diagram of a diatomic ideal gas system going under cyclic process as shown in figure. The work done during an adiabatic process [...]
What will be the average value of energy along one degree of freedom for an ideal gas in thermal equilibrium at a temperature T ? (kB is Boltzmann constant)
29
Sep
What will be the average value of energy along one degree of freedom for an ideal gas in thermal equilibrium at a temperature T ? (kB is Boltzmann constant) What will be the average value of energy along one degree of freedom for an ideal gas in thermal equilibrium at a temperature T ? (kB [...]
A constant power delivering machine has towed a box, which was initially at rest, along a horizontal straight line. The distance moved by the box in time ‘t’ is proportional to :
29
Sep
A constant power delivering machine has towed a box, which was initially at rest, along a horizontal straight line. The distance moved by the box in time ‘t’ is proportional to : A constant power delivering machine has towed a box along a horizontal straight line. The distance moved by the box in time 't' [...]
The time period of a simple pendulum is given by T = 2 π √ l/g .The measured value of the length of pendulum is 10 cm known to a 1mm accuracy. The time for 200 oscillations of the pendulum is found to be 100 second using a clock of 1s resolution. The percentage accuracy in the determination of ‘g’ using this pendulum is ‘x’. The value of ‘x’ to the nearest integer is:-
28
Sep
The time period of a simple pendulum is given by T = 2 π √ l/g .The measured value of the length of pendulum is 10 cm known to a 1mm accuracy. The time for 200 oscillations of the pendulum is found to be 100 second using a clock of 1s resolution. The percentage accuracy [...]
Four identical long solenoids A, B, C and D are connected to each other as shown in the figure. If the magnetic field at the center of A is 3T, the field at the center of C would be : (Assume that the magnetic field is confined with in the volume of respective solenoid).
28
Sep
Four identical long solenoids A, B, C and D are connected to each other as shown in the figure. If the magnetic field at the center of A is 3T, the field at the center of C would be : (Assume that the magnetic field is confined with in the volume of respective solenoid). B [...]
A thin circular ring of mass M and radius r is rotating about its axis with an angular speed ω. Two particles having mass m each are now attached at diametrically opposite points. The angular speed of the ring will become :
28
Sep
A thin circular ring of mass M and radius r is rotating about its axis with an angular speed ω. Two particles having mass m each are now attached at diametrically opposite points. The angular speed of the ring will become : Red light differs from blue light as they have: September 28, 2021 Category: [...]
Match List – I with List – II (a) 10 km height over earth’s surface
28
Sep
Match List – I with List – II (a) 10 km height over earth’s surface Match List - I with List - II (a) 10 km height over earth's surface September 28, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,