Find out the radius of iodine atom. (It is given that for iodine Atomic no. 53 , Mass no. 126 )

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1. A bob of mass is suspended by a massless string of length . The horizontal velocity at position is just sufficient to make it reach point . The angle at which the speed of the bob is half of that at satisfies

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2. The velocity displacement graph of a particle moving along a straight line is -

The most suitable acceleration-displacement graph will be

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3. A drum of radius and mass rolls down without slipping along an inclined plane of angle . The frictional force

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4. A sample of is used internally as a medical diagnostic tool to look for the effects of the positron decay . How long does it take for of the to decay?

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5. If the mass of neutron , then the de-Broglie wavelength of neutron of energy is

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

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

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3. 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

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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,

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5. A barometer is constructed using a liquid (density What would be the height of the liquid column, when a mercury barometer reads ?
(density of mercury

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Q. Find out the radius of iodine atom. (It is given that for iodine Atomic no. , Mass no. )

Radius of atom, =
Atomic number, of Iodine
, Last shell of Iodine having electrons , , , ,

Questions from NTA Abhyas 2020

1. A bob of mass is suspended by a massless string of length . The horizontal velocity at position is just sufficient to make it reach point . The angle at which the speed of the bob is half of that at satisfies

2. The velocity displacement graph of a particle moving along a straight line is -

The most suitable acceleration-displacement graph will be

3. A drum of radius and mass rolls down without slipping along an inclined plane of angle . The frictional force

4. A sample of is used internally as a medical diagnostic tool to look for the effects of the positron decay . How long does it take for of the to decay?

5. If the mass of neutron , then the de-Broglie wavelength of neutron of energy is

Physics Most Viewed Questions

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

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

3. 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

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. A barometer is constructed using a liquid (density What would be the height of the liquid column, when a mercury barometer reads ?
(density of mercury

Latest Updates

Q. Find out the radius of iodine atom. (It is given that for iodine Atomic no. , Mass no. )

Radius of atom, = Atomic number, of Iodine , Last shell of Iodine having electrons , , , ,

Questions from NTA Abhyas 2020

1. A bob of mass is suspended by a massless string of length . The horizontal velocity at position is just sufficient to make it reach point . The angle at which the speed of the bob is half of that at satisfies

2. The velocity displacement graph of a particle moving along a straight line is - The most suitable acceleration-displacement graph will be

3. A drum of radius and mass rolls down without slipping along an inclined plane of angle . The frictional force

4. A sample of is used internally as a medical diagnostic tool to look for the effects of the positron decay . How long does it take for of the to decay?

5. If the mass of neutron , then the de-Broglie wavelength of neutron of energy is

Physics Most Viewed Questions

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

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

3. 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

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. A barometer is constructed using a liquid (density What would be the height of the liquid column, when a mercury barometer reads ? (density of mercury

Latest Updates

Radius of atom, =
Atomic number, of Iodine
, Last shell of Iodine having electrons , , , ,

2. The velocity displacement graph of a particle moving along a straight line is -

The most suitable acceleration-displacement graph will be

5. A barometer is constructed using a liquid (density What would be the height of the liquid column, when a mercury barometer reads ?
(density of mercury