Prepare

Mock Tests Live Tests Previous Year Papers Practice

PaperYodha

One platform for SSC, Defence and Engineering entrance exams: mocks in each exam's official pattern, weekly all-India live tests, real previous-year papers and topic-wise practice.

Coming soon: IBPS PO · SBI Clerk · MPPSC · CAT

SSC

SSC CGL
SSC CHSL
SSC MTS
SSC GD Constable

Defence & Engineering

NDA
JEE Main
JEE Advanced

Platform

Mock tests
Live tests
Previous year papers
Practice

Privacy notice Terms of use Pricing Refunds & cancellation Your data

PaperYodha is an independent preparation platform and is not affiliated with the Staff Selection Commission, UPSC, the National Testing Agency or the IITs. Mock questions are original. Exam patterns are taken from published sources; always confirm details in the official notification.

Mocks Live PYQs Practice

Waves & Sound — JEE Main Previous Year Questions · PaperYodha

Mock Tests Live Tests Previous Year Papers Practice

Previous Year Papers· Real papers, shift-wise

← JEE Main topics

Waves & Sound · JEE Main previous year questions

63 questions asked across 15 exam years, newest first

Year-wise papers Topic-wise questions

Practise this topic

All years 63 2026 5 2025 4 2024 10 2023 9 2022 5 2021 3 2020 5 2019 12 2018 1 2017 1 2012 2 2009 1 2006 1 2005 2 2002 2

2017 1 question

Q402017 · 8 Apr 2017 · Shift 1
1. A. $1 : 1$
2. B. $1 : 2$
3. C. $1 : 3$
4. D. $4 : 1$
Show answer
Answer: B

Mocks Live PYQs Practice