Skip to main content
HardPhysicsfluid
+4 / -1
-- 43. A person throws a stone in air at some angle. It is observed that after 2 s it is moving at angle 30° to the horizontal and after further 2 s, it is travelling horizontally. The magnitude of initial velocity of stone is
A
20√3 m/s
B
20√7 m/s
C
30√2 m/s
D
15√7 m/s
Previous

-- 42. The position-time graph for two objects during motion are shown in diagra

Next

-- 44. A particle is moving in xy plane such that its velocity in x-direction re

More from fluid
Easy

-- In a p-type semiconductor, the majority charge carriers are

Easy

-- The energy of an electron in nth orbit of hydrogen atom is E_n = -13.6/n² eV. The energy required

Medium

-- Two magnets of magnetic moments M and 2M are placed in a vibration magnetometer, with like poles

Medium

-- For the logic circuit shown below, the truth table is

Medium

The susceptibility of a paramagnetic material is χ at 27°C. At what temperature will its susceptibil

Medium

-- 8. Assertion (A): Nuclear density is nearly same for all the atoms.Reason (R): The radius of nucl

Practice Physics Exams

Full-length mock tests with detailed analytics, rank, and percentile.

Browse Exams