1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
When a uranium isotope $$_{92}^{235}U$$ is bombarded with a neutron, it generates $$_{36}^{89}Kr$$ three neutrons and :
A
$${}_{40}^{91}Zr$$
B
$${}_{36}^{101}Kr$$
C
$${}_{36}^{103}Kr$$
D
$${}_{56}^{144}Ba$$
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
For which one of the following, Bohr model is not valid?
A
Singly ionised helium atom (He+)
B
Deuteron atom
C
Singly ionised neon atom (Ne+)
D
Hydrogen atom
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
The energy equivalent of 0.5 g of a substance is :
A
$$4.5 \times {10^{13}}J$$
B
$$1.5 \times {10^{13}}J$$
C
$$0.5 \times {10^{13}}J$$
D
$$4.5 \times {10^{16}}J$$
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
$$\alpha $$-particale consists of :
A
2 electrons, 2 protons and 2 neutrons
B
2 electrons and 4 protons only
C
2 protons only
D
2 protons and 2 neutrons only
NEET Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12