1
KCET 2020
MCQ (Single Correct Answer)
+1
-0
A train whistling at constant frequency $$n$$ is moving towards a station at a constant speed $$v$$. The train goes past a stationary observer on the station. The frequency $$n$$ of the sound as heard by the observer is plotted as a function of time $$t$$. Identify the correct curve.
A
B
C
D
2
KCET 2019
MCQ (Single Correct Answer)
+1
-0
The equation of a stationary wave is $$y=2 \sin \left(\frac{\pi x}{15}\right) \cos (48 \pi t)$$. The distance between a node and its next antinode is
3
KCET 2018
MCQ (Single Correct Answer)
+1
-0
First overtone frequency of a closed pipe of length $l_1$ is equal to the second harmonic frequency of an open pipe of length $l_2$. The ratio $\frac{l_1}{l_2}$ is equal to
4
KCET 2017
MCQ (Single Correct Answer)
+1
-0
The waves set up in a closed pipe are
KCET Subjects
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Physics
Mechanics
Units & Measurement and Dimensions Vector Algebra Motion in a Straight Line Motion in a Plane Laws of Motion Circular Motion Work, Energy and Power Center of Mass and Collision Rotational Motion Gravitation Simple Harmonic Motion Fluid Mechanics Elasticity Waves Heat and Thermodynamics
Optics
Electromagnetism
Capacitor Moving Charges and Magnetism Magnetism and Matter Alternating Current Electrostatics Electromagnetic Induction Electromagnetic Waves Current Electricity
Modern Physics
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
Periodic Table and Periodicity Chemical Bonding and Molecular Structure Metallurgy Hydrogen and It's Compounds s-Block Elements p-Block Elements d and f Block Elements Coordination Compounds Salt Analysis Environmental Chemistry
Organic Chemistry
Mathematics
Algebra
Statistics Sequences and Series Sets and Relations Linear Programming Probability Binomial Theorem Logarithms Matrices and Determinants Vector Algebra Quadratic Equations Three Dimensional Geometry Permutations and Combinations Mathematical Reasoning Complex Numbers
Trigonometry
Trigonometric Ratios & Identities Trigonometric Equations Inverse Trigonometric Functions Properties of Triangles
Calculus
Differential Equations Definite Integration Differentiation Limits, Continuity and Differentiability Indefinite Integration Application of Derivatives Area Under The Curves Functions
Coordinate Geometry