The value of G in the formula for gravitational force depends on -

The value of G in the formula for gravitational force depends on -

(A) Mass of the earth only

(B) The radius of the earth only

(C) Both mass and radius of the earth

(D) Neither mass nor the radius of the earth


Answer: (D) Neither mass nor the radius of the earth


The value of G in the formula for gravitational force depends on -

More Question


Question: Which of the following metals in pure form has the highest melting point?

(A) Tungsten

(B) Copper

(C) Platinum

(D) Gold


Answer


Question: All the mixtures containing a solid and a liquid can be separated by -

I. Centrifugation

II. Evaporation

III. Crystallisation

IV. Chromatography

Correct code is -

(A) Only I

(B) Only II and III

(C) I, II, III and IV

(D) Only III and IV


Answer


Question: Which of the following is not a characteristic of a physical change?

(A) It is a temporary change

(B) It is usually an irreversible change

(C) Very little heat (or light) energy is usually absorbed or given out

(D) The mass of a substance does not alter in a physical change


Answer


Question: Sound cannot travel through -

(A) Solids

(B) Liquids

(C) Gases

(D) Vaccum


Answer


Question: What is the correct ascending order of the following substances in relation to their density (kg/ m(C)?

(A) Aluminium, Iron, Mercury, Gold

(B) Gold, Iron, Aluminium, Mercury

(C) Mercury, Iron, Gold, Aluminium

(D) Iron, Gold, Mercury, Aluminium


Answer


Question: Which of the following metals exists in the liquid state?

(A) Sodium

(B) Mercury

(C) Silver

(D) Chromium


Answer


Question: Which of the following metals is not strong?

(A) Sodium

(B) Gold

(C) Silver

(D) Iron


Answer


Question: The device used for producing electric current is called -

(A) Generator

(B) Galvanometer

(C) Ammeter

(D) Motor


Answer


Question: Sun derives its energy from -

(A) The fusion of hydrogen nuclei into helium nuclei

(B) The fusion of helium nuclei into hydrogen nuclei

(C) The fission of hydrogen nuclei

(D) The fission of helium nuclei


Answer

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