Subject: Physics, asked on 12/5/18

derive this equation Q.(b) : According to kinetic theory of an ideal gas

Subject: Physics, asked on 28/4/18

Kindly explain the answer Q.72. A large object is placed at exactly 55 % of the distance to the moon from the earth. Eventually the object will (A) fall to the sun. (B) fall to the moon. (C) fall to the earth. (D) remain in the same place. (E) drift out of the solar system.

Subject: Physics, asked on 25/4/18

Two masses m1 and m2 are attached to a string which passes over a frictionless smooth pulley. When m1 = 10 kg, m2 = 6 kg, the acceleration of masses is

Subject: Physics, asked on 23/4/18

Solve this: Q.59. What is the amount of charge possessed by 1 kg of electrons? (a) 1.76$×{10}^{11}C$ (b) 1.76$×{10}^{-9}C$ (c) 1.76$×{10}^{-7}C$ (c) 1.76$×10$

Subject: Physics, asked on 23/4/18

Solve this: 47. If T is the surface tension of a fluid, then the energy needed to break a liquid drop of radius R into 64 equal drops is (a) 6nR2T                                 (b) nR2T        (c) 12nR2T                               (d) 8nR2T

Subject: Physics, asked on 22/4/18

Solve 7 ​Q7. A body weights 50 grams in air and 40 grams in water, how much would it weight in liquid of specific gravity 1.5?

Subject: Physics, asked on 21/4/18

Q. The magnetic moment of the arrangement shown in the figure is  Zero 2$\sqrt{2}$M M 2M

Subject: Physics, asked on 21/4/18

To shield an instrument from external magnetic field, it is placed inside a cabin made of (1) Wood (2) Plastic (3) Diamagnetic substances (4) Iron Shouldn't the answer be Diamagnetic sunstance since magnetic field does not pass through it? Ans given is Iron..Why iron?

Subject: Physics, asked on 21/4/18

A diatomic gas initially at 18oC is compressed adiabatically to one-eighth of its original volume. The temperature after compression will be  (1) 18oC (2) 887.4oC (3) 395.4oC (4) 144oC

Subject: Physics, asked on 21/4/18

A dip circle in geographic meridian at a place where dip and declination are known to be respectively 30 degree and 45 degree. What dip will be given by dip circle? Ans is tan-1 root (2/3) Please don't send any links

Subject: Physics, asked on 19/4/18

Although the solution to this is already available but i have doubt in it... so kindly solve it in the best possible way Q. A wooden plate is hinged at one bottom end of a container and then the container is filled with water up to a height of 0.5 m. The specific gravity and length of the plate is 0.5 and 1 m respectively. The angle which the wooden plate makes with the vertical in equilibrium position is A. 20$°$ B. 30$°$ C. 45$°$

Subject: Physics, asked on 4/4/18

Solve qus no. 16: 16. A compass needle of magnetic moment 60A-m​2, pointing geographic north at a place where the horizontal component of earth's magnetic field is 40 x 10-6 WB/m2 experiences  a torque of 1.2 x 10-3 N-m. the Declination of the place is. (a) 15o        (b) 45o (c) 30o        (d) none of these.

Subject: Physics, asked on 3/4/18
Subject: Physics, asked on 2/4/18

35. ​Two Cells in series give a deflection of ${60}^{°}$ when connected to a tangent galvanometer and the cells aid each other. The deflection reduce to $30°$ when  the cells oppse each other. The ratio of emf's of  the cells in order is:   a. 1: 2 b. 2:1 c. 3:1 d. 1: 3

Subject: Physics, asked on 27/3/18

A circular road of radius r is banked for a speed v = 40 km/hr. A car of mass m attempts to go on the circular road. The friction coefficient between the tyre and the road is negligible. (a) The car cannot make a turn without skidding.

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