Home / Atoms and Electrons – 1 – 7

Atoms and Electrons – 1 – 7

31. The relation between the energy released and frequency of the emitted radiation of an atom is given by the expression :

(a) ΔE = h/f
(b) ΔE = h + f
(c) ΔE = h f
(d) ΔE = 1 + h/f

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

32. The elements in a periodic table are arranged, based on the increasing order of :

(a) Atomic number
(b) Mass number
(c) Molecular weight
(d) Alphabetical order

Answer
Answer : (a)

Explanation
No answer description available for this question. Let us discuss.

33. The solid which has no periodic structures at all is called as :

(a) Crystalline solid
(b) Amorphous solid
(c) Polycrystalline solid
(d) Solids

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

34. Diffusion constant for electron is …….. to hole.

(a) Equal
(b) Greater than
(c) Lesser than
(d) Can’t be determined

Answer
Answer : (b)

Explanation
No answer description available for this question. Let us discuss.

35. The velocity of the electron in the nth orbit is given by the equation :

(a) Vn= (hn/ πmrn)
(b) Vn= (πh2/ mrn)
(c) Vn= (n(h/2π)/ mrn)
(d) Vn= (nh/2πmrn)

Answer
Answer : (c)

Explanation
No answer description available for this question. Let us discuss.

1 2 3 4 5 6 7 8 9 10

General Knowledge Books

Be a Part of the New & Next

MCQs fb  MCQs G+

Share the Knowledge

MORE INFORMATION
GATE Total InfoGATE 2019 BooksFree Notes
IES Total InfoIES 2019 BooksFree Mock tests
JAM Total InfoJAM 2019 BooksEngg Diploma
PSUs Total InfoM Tech Total InfoUGC NET Total Info

Leave a Reply

Your email address will not be published. Required fields are marked *

Copy Protected by Chetan's WP-Copyprotect.