Class 11 · Practice
Physical World — Previous-Year Questions
3 curated PYQs across 2 topics, drawn from JEE Mains, JEE Advanced, NEET UG, and CUET papers. Every question has a worked-out explanation.
Foundation
Scale of the Universe
Traverse 44 orders of magnitude — from quarks to the observable universe — on a logarithmic slider.
Q1. The order of magnitude of 0.00701 is:
JEE 2019Q2. Distance to nearest star (Proxima Centauri) is 4.24 ly. In metres:
JEE 2021Foundation
Orders of Magnitude
Compare any two physical objects side-by-side and see how dramatic a factor of 10 really is.
Q1. How many orders of magnitude separate the size of a proton (10⁻¹⁵ m) and an atom (10⁻¹⁰ m)?
JEE 2020Physical World previous-year questions on sciphylab (also known as SciPhy, SciPhy Lab, SciPhy Labs). Free physics practice for Class 11, JEE Mains, JEE Advanced, NEET UG, AP Physics, SAT, and CUET-UG candidates.