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Subject: Physics, asked 18 hours, 19 minutes ago

One end of a glass capillary tube with a radius r = 0.05 cm is immersed into water to a depth of h = 2 cm. What pressure is required to blow an air bubble out of the lower end of the tube? (T = 7 × 10–2 N/m and ρ = 103 kg/m3)
Options:
480 N/m2
  680 N/m2
  120 N/m2
  820 N/m2

pls solve

Subject: Physics, asked 18 hours, 51 minutes ago

An electron enters an electric field of intensity, E̅ = (3î + 6ĵ + 2k̂) Vm -1 and magnetic field of induction B̅ = (2î + 3ĵ) T with a velocity V̅ = (2î + 3ĵ) ms -1 . The magnitude of force acting on the electron is :
(a) 2.02X10 18 N   (b) 5.16X10 -16 N   (c) 3.72X10 -17 N   (d) 1.12X10 -18 N

Subject: Physics, asked 18 hours, 56 minutes ago

plzz answer the fol

Subject: Physics, asked 18 hours, 58 minutes ago

plzzz answer the

 

Subject: Physics, asked 18 hours, 59 minutes ago

plzz answer the

Subject: Physics, asked 19 hours, 43 minutes ago

A solid sphere and a ring (of the same mass and the radius) are rotating freely about their own tangential axis keeping the same angular momenta. If Ks and KR be the kinetic energies of the solid sphere and the ring respectively, then :
(a) KS = KR  (b) KS > KR  (c) KS < KR  (d) KS = 2 KR

Subject: Physics, asked 20 hours, 35 minutes ago

In the 2nd step how did |r2 - r1| get cubed instead of getting squared?

Subject: Physics, asked 20 hours, 46 minutes ago

How come we can determine the glass rod will have positive charge and the plastic one will have negative charge and not vice versa? Is there any reason to determine it or is it just like that?

Subject: Physics, asked 21 hours, 54 minutes ago

Please solve this question urgently
Please

Subject: Physics, asked 22 hours, 31 minutes ago

The number of turns in primary and secondary of a transformer are 5 and 10 and mutual induction of transformer is 25H now the number of turns in primary and secondary are 10 and 5 the new mutual induction will be.
a)6.25H
b)12.5H
c)25H
d)50H

Subject: Physics, asked 1 day ago

Plz give the answer with explaination

Subject: Physics, asked 1 day ago

A wheel with 10 spokes each of length L m is rotated with a uniform angular velocity ω in a plane normal to the magnetic field B. The emf induced between the axle and the rim of the wheel is :
(a) 5ωBL  (b) ½ωBL2  (c) ωBL2  (d) 10 ωBL

Subject: Physics, asked 1 day, 1 hour ago

Two charges 0.2 uuC and -0.2uuC are placed 10^-6 cm apart .calculate electric field at an axial point at a distance of 10cm from their middle ponit

Subject: Physics, asked 1 day, 1 hour ago

Two charges +30u C and -30uC are placed 1cm apart .claculate electric field at a point on the axial line at a distance of 20cm from the centre of dipole

Subject: Physics, asked 1 day, 6 hours ago

Answer this question plzz maam

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