1
IIT-JEE 2006
MCQ (Single Correct Answer)
+6
-1.5
According to Bohr's theory
En = Total energy, Kn = Kinetic Energy, Vn = Potential Energy, rn = Radius of nth orbit
Match the following

Column I

(A) Vn/Kn = ?
(B) If radius of nth orbit $$ \propto E_n^x,x = ?$$
(C) Angular momentum in lowest orbital
(D) $${1 \over {{r_n}}} \propto {Z^y},y = ?$$

Column II

(p) 0
(q) -1
(r) -2
(s) 1
A
(A) $$\to$$ r, (B) $$\to$$ p, (C) $$\to$$ q, (D) $$\to$$ s
B
(A) $$\to$$ r, (B) $$\to$$ q, (C) $$\to$$ p, (D) $$\to$$ s
C
(A) $$\to$$ s, (B) $$\to$$ p, (C) $$\to$$ q, (D) $$\to$$ r
D
(A) $$\to$$ p, (B) $$\to$$ r, (C) $$\to$$ q, (D) $$\to$$ s
2
IIT-JEE 2005 Screening
MCQ (Single Correct Answer)
+1
-0.25
The number of radial nodes of 3s and 2p orbitals are respectively
A
2, 0
B
0, 2
C
1, 2
D
2, 1
3
IIT-JEE 2004 Screening
MCQ (Single Correct Answer)
+1
-0.25
The radius of which of the following orbit is same as that of the first Bohr's orbit of hydrogen atom?
A
He+ (n = 2)
B
Li2+ (n = 2)
C
Li2+ (n = 3)
D
Be3+ (n = 2)
4
IIT-JEE 2002 Screening
MCQ (Single Correct Answer)
+1
-0.25
Rutherford's experiment, which established the nuclear model of the atom, used a beam of
A
$$\beta-particles$$, which impinged on a metal foil and got absorbed
B
$$\gamma-particles$$, which impinged on a metal foil and ejected electrons
C
helium atoms, which impinged on a metal foil and got scattered
D
helium nuclei, which impinged on a metal foil and got scattered
JEE Advanced Subjects
EXAM MAP
Joint Entrance Examination
JEE MainJEE AdvancedWB JEEBITSATMHT CET
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN