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50 gm of an optically active substance is dissolved in 100 ml of water. A plane polarised light, when passing through 30 cm of the solution, suffers a rotation of 390 in it's plane of polarization. Evaluate the specific rotation of the solution.
A 77.0-kg woman is walking 0.10 m/s east in the gym. A man throws a 15.0-kg ball south and accidentally hits the woman. The woman and the ball move together with a velocity
Q. A managing wire of length 2m has a diameter of 0.4 mm with a resistance of 70 ohm. Find its resistivity. ρ = ( P X πr 2 ) / L = ( 70 X 22 X 2 X 10 -4 X 2
The stopping potential of a photocell is 2.3 V. What is the initial velocity of an emitted photoelectron that is brought to a stop by the photocell?
a car of mass 800kg is pulling a trailer 300kg where sin a=1|200.Resistance to motion(apart from gravity) is 1.5N per kg of mad for each vehicle.calculate the pulls of the engine a
to demonstrate the electrostatic shielding
Neutron possesses: (1)Positive charge (2)Negative charge (3)No charge (4)All are correct Ans: (3)No charge
In physics, the dielectric material such as Rochelle salt and barium Titan ate with a domain structure containing dipoles (a symmetric distributions of electrical charge) which spo
Can you explain Ohms Law? Ans. If Temperature remains constant then current flow is directly proportional to applied Voltage. I ∝ V, I = V/R (resistance of the conductor)
What are the uses of Endoscopy? Endoscopy can include: 1. The gastrointestinal tract (i.e., GI tract): a. oesophagus, stomach and duodenum (esophagogastroduodenoscopy)
How can time delay between the different modes be reduced? The time delay between the various modes can be reduced when (a) the rays traveling off axis to the fiber are spee
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