Question

01. Charge to mass ratio of electron was discoverd by in 1897.
a. Mullikan b. Rutherford c. J.J thomson d. Chadwick

02. Colour of fluorescence produced produced by cathode rays depend upon.
a)temp b)pressure c)volume d)composition of ga
03. How many values does the spin quantum number have?
a) 2 b) 21 c) 2n d) 2me
04.Which of the following can be the quantum numbers for an orbital?
a) n = 4,1 = 4, m = 3 b) n = 2,1 = 3, m = 1 c) n = 3,1 = 2, m =-1 d) n = 3,1 = 0, m = -3 05. The probability of finding an electron is uniform in every direction is in which orbital?
a) s b) p c) d d) p

06. Which of the following is the correct expression for the total number of nodes? a) n-1 b) I-1 c) 1 + 1 d)n+1

07. For a 3p orbital, what are the total number of nodes?
a) 3 b) 2 c) 1. d) 0​

Answer 1

Answer:

q: 1 c. J.J thomson

q: 2 _______

q: 3