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Class 11 · Waves · Practice

Wavelength × Frequency (Mechanical) — Previous-Year Questions

5 previous-year questions on Wavelength × Frequency (Mechanical), drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question carries a worked-out explanation.

Notes Run simulation

Q1. Sound of 440 Hz in air at v = 343 m/s. Wavelength:

JEE 2022

Q2. If frequency is doubled (same medium), wavelength:

JEE 2021

Q3. A wave has v = 200 m/s and λ = 0.5 m. Frequency:

JEE 2020

Q4. When sound enters water from air, λ:

JEE 2019

Q5. Period of a 2 kHz wave is:

JEE 2018

Wavelength × Frequency (Mechanical) previous-year questions from sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs, Physics Lab). Class 11 physics practice for JEE Mains, JEE Advanced, NEET UG, AP Physics 1/2/C, SAT, and CUET-UG candidates.