PREVIOUS
1
CBSE 12th Physics Delhi Set 1 - 2023
MCQ (Single Correct Answer)
+1
-0

The radius of the $$\mathrm{n}^{\text {th }}$$ orbit in Bohr model of hydrogen atom is proportional

A
$$n^2$$
B
$$\frac{1}{n^2}$$
C
$$n$$
D
$$\frac{1}{n}$$
PREVIOUS

Class 12 Subjects

Browse all chapters by subject

Physics
Electromagnetism
Electrostatics Current Electricity Capacitor Magnetic Effect of Current Magnetic Properties of Matter Electromagnetic Induction Alternating Current Electromagnetic Waves
Optics
Wave Optics Geometrical Optics
Modern Physics
Atoms and Nuclei Dual Nature of Radiation Semiconductor
Chemistry
Physical Chemistry
Chemical Kinetics Solutions Electrochemistry
Inorganic Chemistry
d and f Block Elements Coordination Compounds
Organic Chemistry
Amines Haloalkanes and Haloarenes Aldehydes, Ketones and Carboxylic Acids Alcohols, Phenols and Ethers Biomolecules
Mathematics
Calculus
Definite Integration Application of Derivatives Indefinite Integration Continuity and Differentiability Application of Integration Differential Equations
Relations and Functions
Inverse Trigonometric Function Relations and Functions
Algebra
Three Dimensional Geometry Probability Matrices Determinants Vector Algebra
EXAM MAP

Browse past year questions by exam & subject

Joint Entrance Examination
JEE Main JEE Advanced MHT CET BITSAT COMEDK WB JEE KCET VITEEE AP EAPCET TS EAMCET IAT (IISER)
Medical
NEET AIIMS MHT CET (Biology)
Graduate Aptitude Test in Engineering
GATE CSE GATE ECE GATE EE GATE ME GATE CE GATE PI GATE IN GATE Data Science and Artificial Intelligence
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12