When a hanging carpet is beaten with a stick, the dust particles in it start coming out of it. This phenomenon can be explained by making use of -

When a hanging carpet is beaten with a stick, the dust particles in it start coming out of it. This phenomenon can be explained by making use of -

(A) Newton's first law of motion

(B) Newton's second law of motion

(C) Newton's third law of motion

(D) Newton's law of gravitation


Answer: (A) Newton's first law of motion


When a hanging carpet is beaten with a stick, the dust particles in it start coming out of it. This phenomenon can be explained by making use of -

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

Previous Post Next Post