Test: Physics Mock Test - 7 - NEET MCQ
30 Questions MCQ Test - Test: Physics Mock Test - 7
In a LCR-circuit, capacitance is changed from C to 2C. For the resonant frequency to remain unchanged, the inductance should be changed from L to
In a hypothetical Bohr hydrogen, the mass of the electron is doubled. The energy E₀ and the radius r₀ of the first orbit will be (a₀ is the Bohr radius)
| 1 Crore+ students have signed up on EduRev. Have you? Download the App |
A step-up transformer has transformation ratio of 3:2 What is the voltage in secondary, if voltage in primary is 30 V ?
A space-craft is launched in a circular orbit very close to earth. What additional velocity should be given to the space craft so that it might escape the earth's gravitational pull ? (radius of the earth = 6400 km, g = 9.8 m/s2)
The figure shows a charge q placed inside a cavity in an uncharged conductor. Now if an external electric field is switched on:
A vehicle of mass m is moving on a rough horizontal road with momentum P. If the coefficient of friction between the tyres and the road be μ, then the stopping distance is
Two parallel wires of length 9m each are separated by a distance of 0.15m. If they carry equal currents in the same direction and exert a total force of 30 x 10 −7 N on each other, the value of current must be
Two liquids of densities ρ₁ and ρ₂ and coefficients of viscosity η₁ and η₂ are found to flow through a capillary tube at the same rate. The ratio of η₁/η₂ is
The couple acting on a magnet of length 10cm placed in a uniform magnetic field of intensity 40N/wb such that the axis of the magnet makes 45o with the field direction is √ 2 ∕ 10 Nm. The pole strength of the magnet in webers
A ball is dropped on the floor from a height of 10 m. It rebounds to a height of 2.5 m. If the ball is in contact with the floor for 0.01 sec, the average acceleration during contact is
At the uppermost point of a projectile, angle between the directions of its velocity and acceleration is
The velocity of a body at time t = 0 is 10√2 m/s in the north-east direction and it is moving with an acceleration of 2 m/s2 directed towards the south. The magnitude and towards the south. The magnitude and direction of the velocity of the body after 5 sec will be
Moment of inertia of a thin circular disc of mass M and radius R about any diameter is
If at a height of 40 cm, the direction of motion of a projectile makes an angle π/4 with the horizontal, then its initial velocity and angle of projection are. respectively
Top Courses for NEET
Important Questions for Physics Mock Test - 7
Physics Mock Test - 7 MCQs with Answers
Online Tests for Physics Mock Test - 7
|
© EduRev
|
Education Revolution
|
Follow Us
|
