Question :
A) they contain free electrons
B) the atoms are lightly packed
C) they have high melting point
D) All of the above
Answer : A
Metals are good conductors of electricity because
A) they contain free electrons
B) the atoms are lightly packed
C) they have high melting point
D) All of the above
Answer : A
Description :
Related Questions - 1
Let a thin capillary tube be replaced with another tube of insufficient length then, we find water
A) will overflow
B) will not rise
C) depressed
D) change its meniscus
Related Questions - 2
Planets do not twinkle because
A) they emit light of a constant intensity
B) their distance from the earth does not change with time
C) they are very far away from the earth resulting in decrease in intensity of light
D) they are nearer to earth and hence we receive a greater amount of light and, therefore minor variations in the intensity are not noticeable
Related Questions - 3
Of the following properties of a wave, the one that is independent of the other is its
A) amplitude
B) velocity
C) wavelength
D) frequency
Related Questions - 4
Related Questions - 5
It is more difficult to walk on a sandy road than on a concrete road because
A) sand is soft and concreter is hard
B) the friction between sand and feet is less than that between concrete and feet
C) the friction between sand and feet is more than that between concrete and feet
D) the sand is grainy but concrete is smooth