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Physics

Physics
What is the SI unit of Force?

Pascal
Watt
Newton
Boyle

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Physics
Which of the following is the fastest communication channel?

Microwave
Radio wave
All are operating at nearly the same propagation speed
Optical fiber

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Physics
Hydraulic brakes in automobile work on

Poiseuille's principle
Archimedes' principle
Bernoulli's principle
Pascal's principle

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Physics
A concave lens always forms an image which is

Virtual and erect
Real and erect
Virtual and inverted
Real and inverted

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Physics
Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K?

K1+k2/k1k2
2k1k2/k1+k2
K1k2/k1+k2
None

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Physics
Sound waves in air are

polarised
electromagnetic
transverse
longitudinal

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MORE MCQ ON Physics

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