Electricity
Current Electricity
MCQ (Single Correct Answer)
Moving Charges and Magnetism
MCQ (Single Correct Answer)
Magnetism and Matter
MCQ (Single Correct Answer)
Electromagnetic Induction
MCQ (Single Correct Answer)
Electromagnetic Waves
MCQ (Single Correct Answer)
Modern Physics
Semiconductor Electronics
MCQ (Single Correct Answer)
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