2018-10-01_Physics_For_You

A uniform rod of length l and mass m is swinging freely about a horizontal axis passing through its end. Its maximum angular sp ...

(b) : For the given axis, IMdisc 5 RIring MR 4 3 2 (^22) , , kRdisc R 5 4 5 2 (^2) , kRR ring== 3 2 3 2 2 Thus, k k R R disc r ...

1 Respect yourself and fill your mind with positive information. Self discipline involves self respect. A hu ...

6 Set realistic and achievable goals. People make the biggest mistake by setting goals that are next to impossible to achie ...

SECTION A A hard wire is broken by bending it repeatedly in alternating directions. Why? How does the boiling point of a liqu ...

When the tension in a metal wire is T 1 , its length is l 1. When the tension is T 2 , its length is l 2. Find the natural leng ...

Water stands at a depth H in a tank whose side walls are vertical as shown in the gure. A hole is made on one side of the wall ...

SOLUTIONS When the wire is subjected to repeated alternating strains, the strength of its material decreases and the wire break ...

The bubble will separate from the ring when 2 pb × 2V sin q = ρAv^2 or 4 πσb ρπ^22 b R ×=××bv or R v = 4 2 σ ρ The lead slab ...

(i) A balloon filled with helium goes on rising in air as long as the weight of the air displaced by it (i.e., upthrust) is gre ...

As the block is held stationary T + VV(g + a) = ρV(g + a) T=−m ga+=××× × ()(). = . ρσ N σ 0510 212 05 10 24 3 (^3) (ii) If the t ...

Refer to answer 26, page no. 305 (MTG CBSE Champion Physics class 11) OR Refer to answer 20, page no. 336 (MTG CBSE Champion Ph ...

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NEET / AIIMS Only One Option Correct Type A ‘T ’ shaped object with dimension shown in the gure, is lying on a smooth oor. A ...

A y wheel of moment of inertia 3 × 10^2 kg m^2 is rotating with uniform angular speed of 4.6 rad s–1. If a torque of 6.9 × 10^ ...

(a) ()Mmg Mm I r − ++     2 2 (b) ()Mmg Mm I r − +−     2 2 (c) ()Mmg Mm I r − ++    (^2)  (d) ()Mmg Mm I r − ...

Two plates 1 and 2 move with velocities –v and 2v respectively. If the sphere does not slide relative to the plates, assuming t ...

FARADAY’S LAW OF INDUCTION According to Faraday’s rst law of electromagnetic induction, whenever the magnetic ux linked with ...

When a north pole of bar magnet is moved away from the coil, the current induced in the coil will be in clockwise direction as s ...

is phenomenon is known as self induction and the emf induced is known as self induced emf or back emf. When a current I ows th ...