Exam Category
Physics
Showing 2,374 questions & PYQs organized by topics.
Physics
01
Repeated reflections that cause sound to persist are called:
RRB PYQ MCQ
02
Which has the highest sound speed at 25°C among these options?
RRB PYQ MCQ
03
An echo returns after 3 s. If sound speed is 342 m/s,…
RRB PYQ MCQ
04
At 25°C: A. Sound speed in oxygen is 316 m/s. B. Sound…
RRB PYQ MCQ
05
We hear people speaking in an adjacent room because sound waves undergo:
RRB PYQ MCQ
06
At 25°C: A. Sound speed in steel is 5960 km/s. B. Sound…
RRB PYQ MCQ
07
What is the approximate minimum source-to-reflector distance for a distinct echo in…
RRB PYQ MCQ
08
Which property or condition of the medium affects sound speed?
RRB PYQ MCQ
09
The persistence of sound in an auditorium due to repeated reflections is…
RRB PYQ MCQ
10
At a given temperature, which listed material has the highest sound speed?
RRB PYQ MCQ