A couple of (10)5(.Nm.) is applied to a disk of mass 10kg and 50m radius of gyration. The value of angular acceleration (. in rad/s2 ) will be

Questions from NTA Abhyas 2020

1. The pressure of a medium is changed from to and change in volume is keeping temperature constant.The bulk modulus of the medium is

2. Two long straight conductors with current and are placed along and axes. The equation of locus of point of zero magnetic induction is -

Moving Charges and Magnetism

3. The bob of a simple pendulum is a spherical hollow ball filled with water. A plugged hole near the bottom of the oscillating bob gets suddenly unplugged. During observation, till water is coming out, the time period of oscillation would

Oscillations

4. If , , and represent electron density, charge, relaxation time and mass of an electron respectively, then the resistance of a wire of length and cross-sectional area is

Current Electricity

5. At room temperature, copper has free electron density of . The electron drift velocity in a copper conductor of cross-sectional area and carrying a current of , will be -

Current Electricity

Physics Most Viewed Questions

1. A car starts from rest and accelerates at At , a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at ? (Take

NEET 2021 Motion in a Straight Line

2. If and respectively denote energy and gravitational constant, then has the dimensions of:

NEET 2021 Physical World, Units and Measurements

3. The de Broglie wavelength of an electron moving with kinetic energy of is nearly

NEET 2020 Dual Nature of Radiation and Matter

4. A wheel with metallic spokes each long is rotated with a speed of in a plane perpendicular to a magnetic field of . The induced emf between the axle and rim of the wheel will be,

NEET 2020 Electromagnetic Induction

5. Calculate the acceleration of the block and trolly system shown in the figure The coefficient of kinetic friction between the trolly and the surface is , mass of the string is negligible and no other friction exists

NEET 2020 Laws of Motion

Q. A couple of is applied to a disk of mass and radius of gyration. The value of angular acceleration in ) will be

We know that

here

So (from eq. )
So
Now from eq.
So

Questions from NTA Abhyas 2020

1. The pressure of a medium is changed from to and change in volume is keeping temperature constant.The bulk modulus of the medium is

2. Two long straight conductors with current and are placed along and axes. The equation of locus of point of zero magnetic induction is -

3. The bob of a simple pendulum is a spherical hollow ball filled with water. A plugged hole near the bottom of the oscillating bob gets suddenly unplugged. During observation, till water is coming out, the time period of oscillation would

4. If , , and represent electron density, charge, relaxation time and mass of an electron respectively, then the resistance of a wire of length and cross-sectional area is

5. At room temperature, copper has free electron density of . The electron drift velocity in a copper conductor of cross-sectional area and carrying a current of , will be -

Physics Most Viewed Questions

1. A car starts from rest and accelerates at At , a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at ? (Take

2. If and respectively denote energy and gravitational constant, then has the dimensions of:

3. The de Broglie wavelength of an electron moving with kinetic energy of is nearly

4. A wheel with metallic spokes each long is rotated with a speed of in a plane perpendicular to a magnetic field of . The induced emf between the axle and rim of the wheel will be,

5. Calculate the acceleration of the block and trolly system shown in the figure The coefficient of kinetic friction between the trolly and the surface is , mass of the string is negligible and no other friction exists

Latest Updates

Q. A couple of is applied to a disk of mass and radius of gyration. The value of angular acceleration in ) will be

We know that here So (from eq. ) So Now from eq. So

Questions from NTA Abhyas 2020

1. The pressure of a medium is changed from to and change in volume is keeping temperature constant.The bulk modulus of the medium is

2. Two long straight conductors with current and are placed along and axes. The equation of locus of point of zero magnetic induction is -

3. The bob of a simple pendulum is a spherical hollow ball filled with water. A plugged hole near the bottom of the oscillating bob gets suddenly unplugged. During observation, till water is coming out, the time period of oscillation would

4. If , , and represent electron density, charge, relaxation time and mass of an electron respectively, then the resistance of a wire of length and cross-sectional area is

5. At room temperature, copper has free electron density of . The electron drift velocity in a copper conductor of cross-sectional area and carrying a current of , will be -

Physics Most Viewed Questions

1. A car starts from rest and accelerates at At , a ball is dropped out of a window by a person sitting in the car. What is the velocity and acceleration of the ball at ? (Take

2. If and respectively denote energy and gravitational constant, then has the dimensions of:

3. The de Broglie wavelength of an electron moving with kinetic energy of is nearly

4. A wheel with metallic spokes each long is rotated with a speed of in a plane perpendicular to a magnetic field of . The induced emf between the axle and rim of the wheel will be,

5. Calculate the acceleration of the block and trolly system shown in the figure The coefficient of kinetic friction between the trolly and the surface is , mass of the string is negligible and no other friction exists

Latest Updates

We know that

here

So (from eq. )
So
Now from eq.
So