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Ashok0210

Asked: February 12, 2021In: Class 12 Physics

What is the force between two small charged spheres having charges of 2 × 10⁻⁷ C and 3 × 10 ⁻⁷ C placed 30 cm apart in air?

Class-12th Physics, CBSE and UP Board Electric Charges and Fields, Chapter-1, Exercise -1, Q-1.1 NCERT Solutions for Class 12th Physics

Lajvati Singh

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

One mole of an ideal gas at STP occupies 22.4 L. What is the ratio of molar volume to atomic volume of a mole of hydrogen? Why is the ratio so large. Take radius of hydrogen molecule to be 1ºA.

NCERT Solutions for Class 11 Science Properties of matter 1 Important Board Questions Dimension and Measurement NCERT Books for Session 2022-2023 CBSE Board and UP Board Numerical And Long Questions

Lajvati Singh

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

The escape velocity v of a body depends on- (i) the acceleration due to gravity ‘g’ of the planet, (ii) the radius R of the planet. Establish dimensionally the relation for the escape velocity.

NCERT Solutions for Class 11 Science Properties of matter 1 Important Board Questions Dimension and Measurement NCERT Books for Session 2022-2023 CBSE Board and UP Board Numerical And Long Questions

Lajvati Singh

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

A calorie is a unit of heat or energy and it equals 4.2 J where 1J = 1 kg m²s⁻². Suppose we employ a system of units in which unit of mass is α kg, unit of length is β m, unit of time γs. What will be magnitude of calorie in terms of this new system.

NCERT Solutions for Class 11 Science Properties of matter 1 Important Board Questions Dimension and Measurement NCERT Books for Session 2022-2023 CBSE Board and UP Board Numerical And Long Questions

Lajvati Singh

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

A laser light beamed at the moon takes 2.56s and to return after reflection at the moon’s surface. What will be the radius of lunar orbit

NCERT Solutions for Class 11 Science Properties of matter 1 Important Board Questions Dimension and Measurement NCERT Books for Session 2022-2023 CBSE Board and UP Board Numerical And Long Questions

What is the force between two small charged spheres having charges of 2 × 10⁻⁷ C and 3 × 10 ⁻⁷ C placed 30 cm apart in air?

One mole of an ideal gas at STP occupies 22.4 L. What is the ratio of molar volume to atomic volume of a mole of hydrogen? Why is the ratio so large. Take radius of hydrogen molecule to be 1ºA.

The escape velocity v of a body depends on- (i) the acceleration due to gravity ‘g’ of the planet, (ii) the radius R of the planet. Establish dimensionally the relation for the escape velocity.

A calorie is a unit of heat or energy and it equals 4.2 J where 1J = 1 kg m²s⁻². Suppose we employ a system of units in which unit of mass is α kg, unit of length is β m, unit of time γs. What will be magnitude of calorie in terms of this new system.

A laser light beamed at the moon takes 2.56s and to return after reflection at the moon’s surface. What will be the radius of lunar orbit

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