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

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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

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

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