Aadrita Gupta

Ashok0210

Asked: February 13, 2021In: Class 12 Physics

A polythene piece rubbed with wool is found to have a negative charge of 3 × 10⁻⁷ C. (a) Estimate the number of electrons transferred (from which to which?) (b) Is there a transfer of mass from wool to polythene?

Class-12th Physics, CBSE and UP Board Electric Charges and Fields, Chapter-1, Exercise -1, Q-1.11 NCERT Solutions for Class 12th Physics

Ashok0210

Asked: February 13, 2021In: Class 12 Physics

An electric dipole with dipole moment 4 × 10⁻⁹ C m is aligned at 30° with the direction of a uniform electric field of magnitude 5 × 104 NC⁻¹.

Class-12th Physics, CBSE and UP Board Electric Charges and Fields, Chapter-1, Exercise -1, Question 1.10 NCERT Solutions for Class 12th Physics

Padamjit

Asked: February 9, 2021In: Class-11-Physics

A car moving with velocity of 50 kmh⁻¹ on a straight road is ahead of a jeep moving with velocity 75 kmh⁻¹ . How would the relative velocity be altered if jeep is ahead of car ?

NCERT Solutions for Class 11 Science Kinematic 2 Important Board Questions Kinematic NCERT Books for Session 2022-2023 CBSE Board and UP Board One Marks Questions

Vamsi

Asked: February 6, 2021In: Class-11-Physics

Two identical particles moves towards each other with velocities 2V and V respectively. The velocity of centre of mass is

NCERT Solutions for Class 11 Science Chapter 5 Important Board Questions Rotational motion NCERT Books for Session 2022-2023 CBSE Board and UP Board M.C.Q

Poll

Vamsi

Asked: February 6, 2021In: Class-11-Physics

Planetary motion in the solar system describes

NCERT Solutions for Class 11 Science Chapter 5 Important Board Questions Rotational motion NCERT Books for Session 2022-2023 CBSE Board and UP Board M.C.Q

Poll

Vamsi

Asked: February 6, 2021In: Class-11-Physics

What is the ratio of the moments of inertia of two rings radii r and nr about an axis perpendicular to their plane and passing through their centres?

NCERT Solutions for Class 11 Science Chapter 5 Important Board Questions Rotational motion NCERT Books for Session 2022-2023 CBSE Board and UP Board M.C.Q

Poll

Vamsi

Asked: February 6, 2021In: Class-11-Physics

Moment of Inertia of an object does not depend up on

NCERT Solutions for Class 11 Science Chapter 5 Important Board Questions Rotational motion NCERT Books for Session 2022-2023 CBSE Board and UP Board M.C.Q

Aadarsh Singh

Asked: February 4, 2021In: Class-11-Physics

If the scalar and vector products of two vector A and B are equal in magnitude, then the angle between the two vectors is

NCERT Solutions for Class 11 Science Chapter 2 Important Board Questions Kinematic NCERT Books for Session 2022-2023 CBSE Board and UP Board M.C.Q Questions No: 12

Yadu

Asked: January 31, 2021In: Class 9 Social Science

Mention the important features of Prime Minister Rozgar Yojana.

NCERT Important Questions for Class 9 Social Science Economics Chapter 32 Social Science Class 9 Economics Poverty as a Challenge Important Questions 3/4 Marks Questions

Yadu

Asked: January 31, 2021In: Class 9 Social Science

Mention the important features of Mahatma Gandhi National Rural Employment Guarantee Act-2005.

NCERT Important Questions for Class 9 Social Science Economics Chapter 32 Social Science Class 9 Economics Poverty as a Challenge Important Questions 3/4 Marks Questions

Aadrita Gupta

A polythene piece rubbed with wool is found to have a negative charge of 3 × 10⁻⁷ C. (a) Estimate the number of electrons transferred (from which to which?) (b) Is there a transfer of mass from wool to polythene?

An electric dipole with dipole moment 4 × 10⁻⁹ C m is aligned at 30° with the direction of a uniform electric field of magnitude 5 × 104 NC⁻¹.

A car moving with velocity of 50 kmh⁻¹ on a straight road is ahead of a jeep moving with velocity 75 kmh⁻¹ . How would the relative velocity be altered if jeep is ahead of car ?

Two identical particles moves towards each other with velocities 2V and V respectively. The velocity of centre of mass is

Planetary motion in the solar system describes

What is the ratio of the moments of inertia of two rings radii r and nr about an axis perpendicular to their plane and passing through their centres?

Moment of Inertia of an object does not depend up on

If the scalar and vector products of two vector A and B are equal in magnitude, then the angle between the two vectors is

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