Question

प्र.17 सिद्ध करिये-
Mm
F=G
Prove that
Mm
F = G
वर
अथवा/OR
द्रव्यमान एवं भार में अंतर लिखिए।
Write the difference between Mass and We
4.18 बल्ब जलाने पर हुए ऊर्जा रूपांतरण का वर्णन कीजिए
alowin​

Answer 1

Explanation:

F=G MM genes/traits

Answer 2

Answer: See explanation

Explanation:

Mass:

(1) Mass is a scalar quantity.

(2) mass remains same everywhere.

(3) mass is not a force.

Weight:

(1) Weight is a vector quantity,

(2) weight varies place to place because it depends on acceleration due to gravity.i.e,

W=mg

(3) weight is the force on the body by the gravity that acts in downward direction.

When electricity is passed through the bulb the filament of bulb which is made of tungeston gets heated.During this electrical energy is converted into heat energy.

Now, this heat energy starts emitting radiation and converted into light energy in the form of light and bulb glows.