Railway Exams (RRB) - General Science

Mechanics, Heat, Sound, Light & Electricity question bank (Physics (Class 10 CBSE Standard))

Practice 80 free Railway Exams (RRB) - General Science Physics (Class 10 CBSE Standard) - Mechanics, Heat, Sound, Light & Electricity questions with answers and step-by-step solutions.

Start free Book a demo
All Easy Hard Medium
Q1.

Physics (Class 10 CBSE): What is the SI unit of electric resistance measured in locomotive circuits in 'Units of Measurement, SI Units and Measuring Instruments'?

(A)

Ohm ($\Omega$) (Units of Measurement, SI Units and Measuring Instruments)

(B)

Volt

(C)

Ampere

(D)

Watt

Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Q2.

Chemistry: What is the common chemical name and formula for Bleaching Powder used in railway station sanitation in 'Units of Measurement, SI Units and Measuring Instruments'?

(A)

Calcium hypochlorite / Calcium oxychloride ($CaOCl_2$) (Units of Measurement, SI Units and Measuring Instruments)

(B)

Sodium bicarbonate ($NaHCO_3$)

(C)

Calcium sulfate hemihydrate ($CaSO_4 \cdot \frac{{1}}{{2}}H_2O$)

(D)

Sodium hydroxide ($NaOH$)

Show answer & solution
Verified Answer & Solution Locked
Sign in to your free student account to reveal verified answers, instant hints, and detailed explanations.
Sign in to view
Protected Questions

Unlock All 80 Questions in Mechanics, Heat, Sound, Light & Electricity

Log in or sign up free to access every question with complete solutions, create chapter practice tests, and track your performance.

Sign in to unlock Create free account

Sign up free to access all 80 questions

Unlock every Mechanics, Heat, Sound, Light & Electricity question, generate papers, and practice at your own pace.

Start free