JEE Mains Physics 2002-2019 Solved Video Solutions
A parallel plate capacitor has plates of area A separated by distance ‘d’ between them. It is filled with a dielectric which has a dielectric constant that varies as k(x) = K(1 + αx) where ‘x’ is the distance measured from one of the plates. If ( αd)
19
Sep
A parallel plate capacitor has plates of area A separated by distance ‘d’ between them. It is filled with a dielectric which has a dielectric constant that varies as k(x) = K(1 + αx) where ‘x’ is the distance measured from one of the plates. If ( αd) The correct match between the entries in [...]
The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.6 × 10^–16 s. The frequency of revolution of the electron in its first excited state (in Hz) is:
19
Sep
The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.6 × 10^–16 s. The frequency of revolution of the electron in its first excited state (in Hz) is: The time period of revolution of electron in its ground state orbit in a hydrogen atom is 1.6 × [...]
Two moles of an ideal gas with CP/CV = 5/3 are mixed with 3 moles of another ideal gas with CP/CV = 4/3. The value of CP/CV for the mixture is:
19
Sep
Two moles of an ideal gas with CP/CV = 5/3 are mixed with 3 moles of another ideal gas with CP/CV = 4/3. The value of CP/CV for the mixture is: Two moles of an ideal gas with CP/CV = 5/3 are mixed with 3 moles of another ideal gas with CP/CV = 4/3. The [...]
Which of the following gives a reversible operation?
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Sep
Which of the following gives a reversible operation? Which of the following gives a reversible operation? September 19, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
The current I1 (in A) flowing through 1 Ω resistor in the following circuit is
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Sep
The current I1 (in A) flowing through 1 Ω resistor in the following circuit is The current I1 (in A) flowing through 1 Ω resistor in the following circuit is September 19, 2021 Category: JEE Mains Physics 2002-2019 Solved Video Solutions , Practice Set 1 ,
Two infinite planes each with uniform surface charge density + σ are kept in such a way that the angle between them is 30°. The electric field in the region shown between them is given by:
19
Sep
Two infinite planes each with uniform surface charge density + σ are kept in such a way that the angle between them is 30°. The electric field in the region shown between them is given by: Two infinite planes each with uniform surface charge density + σ are kept in such a way that the [...]
Speed of a transverse wave on a straight wire (mass 6.0 g, length 60 cm and area of cross-section 1.0 mm^2) is 90 ms^–1. If the Young’s modulus of wire is 16 × 10^11 Nm^–2, the extension of wire over its natural length is :
19
Sep
Speed of a transverse wave on a straight wire (mass 6.0 g, length 60 cm and area of cross-section 1.0 mm^2) is 90 ms^–1. If the Young’s modulus of wire is 16 × 10^11 Nm^–2, the extension of wire over its natural length is : length 60 cm and area of cross-section 1.0 mm^2) is [...]
As shown in the figure, a bob of mass m is tied by a massless string whose other end portion is wound on a flywheel (disc) of radius r and mass m. When released from rest the bob starts falling vertically. When it has covered a distance of h, the angular speed of the wheel will be :
19
Sep
As shown in the figure, a bob of mass m is tied by a massless string whose other end portion is wound on a flywheel (disc) of radius r and mass m. When released from rest the bob starts falling vertically. When it has covered a distance of h, the angular speed of the wheel [...]
A LCR circuit behaves like a damped harmonic oscillator. Comparing it with a physical spring-mass damped oscillator having damping constant ‘b’, the correct equivalence would be:
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Sep
A LCR circuit behaves like a damped harmonic oscillator. Comparing it with a physical spring-mass damped oscillator having damping constant ‘b’, the correct equivalence would be: A LCR circuit behaves like a damped harmonic oscillator. Comparing it with a physical spring-mass damped oscillator having damping constant 'b' the correct equivalence would be: September 19, 2021 [...]
Visible light of wavelength 6000 × 10^– 8 cm falls normally on a single slit and produces a diffraction pattern. It is found that the second diffraction minimum is at 60° from the central maximum. If the first minimum is produced at θ1, then θ1 is close to
19
Sep
Visible light of wavelength 6000 × 10^– 8 cm falls normally on a single slit and produces a diffraction pattern. It is found that the second diffraction minimum is at 60° from the central maximum. If the first minimum is produced at θ1, then θ1 is close to The correct match between the entries in [...]