1
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

If two particles A and B are moving with the same velocity, but wavelength of A is found to be double than that of B. Which of the following statement is correct?

A
Both A and B have same mass.
B
Mass of A is half that of B.
C
Mass of B is half that of A.
D
Mass of B is one-fourth that of A.
2
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

The spectrum of helium is expected to be similar to that of

A
Li$$^+$$
B
H
C
Na
D
He$$^+$$
3
AP EAPCET 2021 - 19th August Morning Shift
MCQ (Single Correct Answer)
+1
-0

On the basis of Bohr’s model, the radius of the 3rd orbit is

A
equal to the radius of 1st orbit
B
3 times the radius of 1st orbit
C
5 times the radius of 1st orbit
D
9 times the radius of 1st orbit
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