Question Answers
Sahay Sir > Question Answers
Ball 1 collides with an another identical ball 2 at rest as shown in figure. For what value of coefficient of restitution e, the velocity of second ball becomes two times that of 1 after collision?
26
Nov
Ball 1 collides with an another identical ball 2 at rest as shown in figure. For what value of coefficient of restitution e, the velocity of second ball becomes two times that of 1 after collision? Ball 1 collides with an another identical ball 2 at rest as shown in figure. For what value of [...]
The compound in which cation is isoelectronic with anion is (a) NaCl (b) CsF (c) NaI (d) K2S
26
Nov
The compound in which cation is isoelectronic with anion is (a) NaCl (b) CsF (c) NaI (d) K2S The compound in which cation is isoelectronic with anion is (a) NaCl (b) CsF (c) NaI (d) K2S November 26, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The medium of an ungrouped data and the median calculated when there same data is grouped are always the same. Do you think that this is a correct statement? Give reason.
26
Nov
The medium of an ungrouped data and the median calculated when there same data is grouped are always the same. Do you think that this is a correct statement? Give reason. The medium of an ungrouped data and the median calculated when there same data is grouped are always the same. Do you think that [...]
The atomic number of an element is 35 and mass number is 81. The number of electrons in the outer most shell is (a) 7 (b) 6 (c) 5 (d) 3
26
Nov
The atomic number of an element is 35 and mass number is 81. The number of electrons in the outer most shell is (a) 7 (b) 6 (c) 5 (d) 3 The atomic number of an element is 35 and mass number is 81. The number of electrons in the outer most shell is (a) [...]
Displacement of a particle of mass 2 kg moving in a straight line varies with time at s=(2t3+2)m. Impulse of the force acting on the particle over a time interval between t=0 and t=1 s in?
26
Nov
Displacement of a particle of mass 2 kg moving in a straight line varies with time at s=(2t3+2)m. Impulse of the force acting on the particle over a time interval between t=0 and t=1 s in? Displacement of a particle of mass 2 kg moving in a straight line varies with time at s=(2t3+2)m. Impulse [...]
A 2kg toy car can move along x−axis. Graphs shows resultant force Fx , acting on the car which begins at rest at time t=0 . The velocity of the car at t=10s is
26
Nov
A 2kg toy car can move along x−axis. Graphs shows resultant force Fx , acting on the car which begins at rest at time t=0 . The velocity of the car at t=10s is A 2kg toy car can move along x−axis. Graphs shows resultant force Fx acting on the car which begins at rest [...]
A rocket of mass 4000 kg is set for vertical firing. How much gas must be ejected per second so that the rocket may have initial upwards acceleration of magnitude 19.6 m/s2 [Exhaust speed of fuel =980m/s]
26
Nov
A rocket of mass 4000 kg is set for vertical firing. How much gas must be ejected per second so that the rocket may have initial upwards acceleration of magnitude 19.6 m/s2 [Exhaust speed of fuel =980m/s] A force exerts an impulse I on a particle changing its speed from u to 2u. The applied [...]
An open water tight railway wagon of mass 5×103kg coasts at an initial velocity of 1.2m/s without friction on a railway track. Rain falls vertically downwards into the wagon. What change then occurred in the kinetic energy of the wagon, when it has collected 103 kg of water ?
26
Nov
An open water tight railway wagon of mass 5×103kg coasts at an initial velocity of 1.2m/s without friction on a railway track. Rain falls vertically downwards into the wagon. What change then occurred in the kinetic energy of the wagon, when it has collected 103 kg of water ? A force exerts an impulse I [...]
An isostere is (a) NO2^- (b) NO2^- and PO4^3- (c) CO2 , N2O , NO3^- (d) CLO4^- and OCN^-
26
Nov
An isostere is (a) NO2^- (b) NO2^- and PO4^3- (c) CO2 , N2O , NO3^- (d) CLO4^- and OCN^- An isostere is (a) NO2^- (b) NO2^- and PO4^3- (c) CO2 N2O NO3^- (d) CLO4^- and OCN^- November 26, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The median of the distribution given below is 14.4. Find the values of x and y, if the total frequency is 20.
26
Nov
The median of the distribution given below is 14.4. Find the values of x and y, if the total frequency is 20. if the total frequency is 20. The median of the distribution given below is 14.4. Find the values of x and y November 26, 2020 Category: Chapter 14 - Statistics , Chapter 15 [...]