1
IIT-JEE 1993
True or False
+1
-0
In a given electric field, $$\beta-particles $$ are deflected more than $$\alpha-particles$$ in spite of $$\alpha-particles$$ having larger charge.
A
TRUE
B
FALSE
2
IIT-JEE 1993
Subjective
+5
-0
Estimate the difference in energy between 1st and 2nd Bohr orbit for a hydrogen atom. At what minimum atomic number, a transition from n = 2 to n = 1 energy level would result in the emission of X-rays with $$\lambda = 3.0 \times {10^{ - 8}}$$? Which hydrogen atom like species does this atomic number correspond to?
3
IIT-JEE 1993
Subjective
+3
-0
What transition in the hydrogen spectrum would have the same wavelength as the Balmer transition n = 4 to n = 2 of He+ spectrum?
4
IIT-JEE 1993
True or False
+1
-0
The decreasing order of electron affinity of F, Cl, Br is F > Cl >Br
A
TRUE
B
FALSE
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