Recently Active General Physics Questions

Q1. Two concentric shells of radius R and 2R, out of which the inner shell is having a charge Q and the outer shell is uncharged. If they are connected with a conducting wire, then (a) Q amount of charge will flow from inner ...

1.Electric field intensity at a point depends upon a)Field Charge b) Test charge c) Permittivity of medium d) (Distance between point & test charge 2. Rydberg is used as unit of a) Wave no. b) Wave length c) Energy in atomic ...

1. By emission of which of the following element remains unchanged a) β^- decay b) γ decay 2. Two lens of power –15D and +5D are placed is contact co-axially. The focal length of equlvalent lens is (A) –10 cm (B) –20 ...

hello guys i am going to finish my portion very late......say march 20 .......abd i have yesy series of bt and fiitjee(corres) and wont have time to do all .....so shall i do only BT STS and some of f fiitjee aits ......as bt ...

is the 180 - 190 appx score in fiitjee test XI (yesterdays one) ............to clear jee appx.....and if some of u guys cud tell ur marks expected? ...

If a body with cavities floats half submerged in liquid of density 900 kg/m3. Then choose the incorrect statement. The average density of body is 450 kg/m^3 the density of material of the body may be greater than 900 kg/m^3 t ...

Wats power electron?????? ...

A bimolecular elementary reaction must be of second order [127] ...

A uniform rigid quarter circular ring of radius R and center O is fixed to horizontal roof OX and vertical wall OY. *Image* Let the horizontal component of reaction of roof on ring at A be equal to R1 and the horizontal compo ...

Centrifugal force is reactionary force of centripetal force. ...

STATEMENT--1 : The induced electric field in a time varying magnetic field is non-conservative. because STATEMENT--2: The indused emf across a closed path in a time varying magnetic field is non-zero. ...

STATEMENT --1: A positively chsrged sphere and a negative charged sphere are kept at finite distance. The total electrostatic potential energy of system must be negative. because STATEMENT-- 2 : Potential energy between two l ...

If a force F→ = ((3i + 4j + 5k ) Newtons is acting on a particle moving on a circle of radius 2m with a speed increasing at the rate of 2ms-2. All points on the circle satisfy the equation 3x+ 4y + 5z = 0. The power of the ...

5) angular displacement of the rod shown in figure below is defined as θ=(4∩/25)t2 where θ is in radian and time 't' in second . The collar B slides along the rod in such a way that its distance from O is r=12t2 where r i ...

St 1 A positively charged sphere and negatively charged sphere r kept at a finite distance The total electrostatic PE of the system must be negative St 2 PE b/w 2 like charge particle is +ve and 2 unlikely charged particles i ...

ASSERTION The induced electric field in a time varying magnetic field is non conservative REASON The induced Emf across a closed path in a time varying B field is non zero ...

1. Two particles are simultaneously projected in horizontal direction with speed of 4m/s and 8m/s respectively in opposite directions from a tower of height 10 m. The displacement vectors of two particles a. never be perpendi ...

*Image* A meter scale lying horisontally on a floor is struck by a ball as shown in fig. Which of the following quantities is conserved for the ball scale system. A. Linear momentum B. Kinetic energy of transmission C. Angula ...

FIND THE SUM TO N TERMS OF THE FOLLOWING SERIES 3+7+14+27+52+... ...

IF n IS THE FREQUENCY OF AN SHM THEN WHAT IS THE FREQUENCY OF ITS KINETIC ENERGY? ...

(1) Find the root mean square current of one cycle in an A.C. circuit in which instantaneous current is given by equation 1= 31 + 6 sin wt - 8 cos (wt ). ...

1)if Y represents acceleration and X momentum,then the dimension of (d2Y / dX2 )1/2 is ??? A) M-1 L-1/2 T0 B) M L1/2 T-1/2 C) M-1 L1/2 T1/2 D)M0 L1/2 T1/2 2)the position vector of a particle is given by r=r0(1-αt)t ,where t ...

4)a smooth 2 kg collar C shown in figure is attached to a spring having a stiffness of k=3N/m and an unstretched length of 0.75m. If the collar is released from rest at A,determine its acceleration and the normal force at the ...

(1) Which of the following is/are INCORRECT about kinetic friction ? (A) always acts in opposite direction of the applied force (B) total work done by this friction force on the system may be zero (C) direction of friction is ...

A steady non- turbulent stream of water comes out of a tap and falls vertically downward. As it does so, the diameter of the stream appears to get smaller, what is the reason? ...

*Image* A heaps of chain is lying on a horizontal table. A small section of the chain is released through a hole in the table. Calculate the velocity as a function of the length of the chain hanging vertically. A. √(2gx/3) ...

A MAN IS STANDING ON A WEIGHING MACHINE WHICH READS ZERO.HOW DO WE KNOW IF THE MAN IS INSIDE A FREELY FALLING LIFT OR IN A SATELITE. ...

some more simple doubts- 1)find maximum excess pressure inside a thin walled steel tube of radius R and thickness r(<< R) so that tube wont rupture(breaking stress of steel s) 2)a beaker containing water is rigidly fixe ...

U hav tied a weight W by a string as shown in d fig . Now u and ur frnd start pulling the string from both ends and try to straighten the string . What will be the tension in the string for wich the string completely becomes ...

1) STATEMENT 1 : A charged particle is accelerated by a potential difference V . The electron enters perpendicular into a uniform magnetic field.The magnitude of angular momentum of the electron about centre of trajectory fol ...