A Sonar of a ship sends sounds waves of speed 1500 m/s. These waves are reflected back by the ocean floor in 5 seconds. Find the depth (in m) of the ocean floor.
High-efficiency particulate air (HEPA), also known as high-efficiency particulate absorbing and high-efficiency particulate arrestance, is an efficiency standard of air filter.
A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.
The boss made the assistant work late.
A) The assistant was made to work late by the boss.
B) The assistant is being urged to work late.
C) The assistant was make to work late by the boss.
D) The assistant is working late due to the boss.
A) The assistant was made to work late by the boss.
B) The assistant is being urged to work late.
C) The assistant was make to work late by the boss.
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