Mechanical Physics - Study Mode

[#121] Four wires of same material and dimensions as mentioned below are stretched by a load of same magnitude separately. Which one of them will be elongated maximum?
Correct Answer

(C) Wire of 3 m length and 1.5 mm diameter

[#122] Fish can survive in a frozen lake because
Correct Answer

(C) Water near the bottom does not freeze

[#123] An application of Bernoulli's equation for fluid flow is found in
Correct Answer

(A) dynamic lift of an aeroplane

[#124] Which of the following is not based on the principle of Archimedes?
Correct Answer

(D) Odometer

[#125] What is another name for the buoyancy force exerted by water to a submerged body?
Correct Answer

(B) Buoyancy force