1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Change Language
A particular station of All India Radio, New Delhi broadcasts on a frequency of 1,368 kHz (kilohertz). The wavelength of the electromagnetic radiation emitted by the transmitter is : [speed of light c = 3.0 $$\times$$ 108 ms$$-$$1]
A
21.92 cm
B
219.3 m
C
219.2 m
D
2192 m
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Change Language
From the following pairs of ions which one is not an iso-electronic pair?
A
Fe2+, Mn2+
B
O2$$-$$, F$$-$$
C
Na+, Mg2+
D
Mn2+, Fe3+
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is :
A
6p > 5f > 4d > 5p
B
5f > 6p > 4d > 5p
C
5f > 6p > 5p > 4d
D
6p > 5f > 5p > 4d
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following series of transitions in the spectrum of hydrogen atom falls in visible region?
A
Paschen series
B
Brackett series
C
Lyman series
D
Balmer series
NEET Subjects
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12