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Physics
Force, motion, light, sound, electricity, magnetism.
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Take a full mock →Q1 · Physics · EASY
A force of 20 N acts on a body of mass 4 kg. What will be the acceleration produced in the body?
Q2 · Physics · EASY
The image formed by a plane mirror is always
Q3 · Physics · MEDIUM
A metallic wire has a resistance of 12 ohms. If the wire is stretched to double its length, what will be its new resistance?
Q4 · Physics · MEDIUM
An echo is heard after 2 seconds of producing a sound. If the velocity of sound in air is 340 m/s, what is the distance of the reflecting surface from the source?
Q5 · Physics · MEDIUM
A train moving at 72 km/h applies brakes and comes to rest in 10 seconds. What is the retardation (deceleration) of the train in m/s²?