Question

Which statement about the properties of light and sound is incorrect? 

A Light travels faster in water than in a vacuum.
B Sound travels faster in solids than in gases.
C A convex lens focuses light rays at a focal point.
D The ampere is the unit of electric current.
Practice Next

Hey! Ask a query

🎓
Think You're Ready for RBI Grade B?
RBI Grade B 2026 Phase 1 Memory Based Paper
  • 200 Questions with Detailed Solutions
  • Section-wise Coverage (GA, English, Quant & Reasoning)