PREVIOUS NEXT
1
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
A wire of negligible mass having uniform area of cross section ' A ' and young modulus ' Y ' is used to suspend a point mass ' m '. The point mass executes simple harmonic motion in a vertical plane with a period ' T ', then the length of the wire is :
A
$L=\frac{T Y^2 A}{4 \pi^2 m}$
B
$L=\frac{T^2 Y A}{4 \pi m^2}$
C
$L=\frac{T Y^2 A}{4 \pi m^2}$
D
$L=\frac{T^2 Y A}{4 \pi^2 m}$
2
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Select the correct statement from the following:
A
Shear modulus of an ideal liquid is infinite
B
Rubber is more elastic than steel
C
The bulk modulus of a perfect rigid body is infinite
D
The bulk modulus of an ideal liquid is zero
3
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
One end of a nylon rope of length 1 and diameter 10 mm is fixed to free limb. A monkey weighing 100 N jumps to catch the free end and stays there. The change in diameter of the rope is (Young's modulus of the wire is Y and Poisson Ratio is $\sigma$ )
A
$\frac{4000 \sigma}{\pi Y}$
B
$\frac{400 \sigma}{\pi Y}$
C
$\frac{40000 \sigma}{\pi Y}$
D
$\frac{40000 \pi}{\sigma Y}$
4
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0

The temperature of a wire is doubled. The Young's modulus of elasticity

A
Will decrease
B
Will also double
C
Will become four times
D
Will remain the same
PREVIOUS NEXT

COMEDK Subjects

Browse all chapters by subject

Physics
Mechanics
Units & Measurements Vector Algebra Motion Laws of Motion Circular Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Elasticity Fluid Mechanics Heat and Thermodynamics Gravitation Simple Harmonic Motion Waves
Optics
Ray Optics Wave Optics
Electromagnetism
Capacitor Electromagnetic Induction Electrostatics Moving Charges and Magnetism Alternating Current Magnetism and Matter Current Electricity Electromagnetic Waves
Modern Physics
Semiconductor Devices and Logic Gates Atoms and Nuclei Dual Nature of Radiation Communication Systems
Chemistry
Physical Chemistry
Some Basic Concepts of Chemistry Atomic Structure States of Matter Thermodynamics Chemical Equilibrium Ionic Equilibrium Liquid Solution Redox Reactions Surface Chemistry Solid State Electrochemistry Chemical Kinetics Nuclear Chemistry
Inorganic Chemistry
Metallurgy Periodic Table and Periodicity Hydrogen and It's Compounds p-Block Elements Environmental Chemistry Coordination Compounds d and f Block Elements s-Block Elements Chemical Bonding and Molecular Structure
Organic Chemistry
IUPAC Nomenclatures General Organic Chemistry Isomerism Hydrocarbons Haloalkanes and Haloarenes Alcohol, Phenols and Ethers Aldehyde and Ketone Carboxylic Acids and Its Derivatives Compounds Containing Nitrogen Polymers Biomolecules Chemistry in Everyday Life Practical Organic Chemistry
Mathematics
Algebra
Sets and Relations Logarithms Complex Numbers Quadratic Equations Sequences and Series Permutations and Combinations Probability Binomial Theorem Vector Algebra Three Dimensional Geometry Matrices and Determinants Statistics Mathematical Reasoning Linear Programming
Trigonometry
Trigonometric Ratios & Identities Trigonometric Equations Properties of Triangles Inverse Trigonometric Functions
Coordinate Geometry
Straight Lines and Pair of Straight Lines Circle Ellipse Parabola Hyperbola
Calculus
Application of Derivatives Differential Equations Indefinite Integration Limits, Continuity and Differentiability Differentiation Functions Definite Integration Area Under The Curves
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