Recently Active Miscellaneous Questions

A large enclosed volume somewhere in the space is filled with large number of particle masses. They collide with easch other with e=0.9 1/100th of the fraction of the particles undergo colission every second. Assume the f ...

A ball of mass "m" hangs from a string of length L. A very large mass M>>m hits the ball horizontally and elastically with speed v. Find the minimum v, such that the ball makes a complete circular rotation. ...

A horizontal Force F(t) = kt2 is applied on a slab of mass m kept on the floor. Which of these show the friction acting as a function of time? ...

lim { tan( pi/4 - x ) } 1/x x→0 ...

Which of these is the maximum x>0 ...

Weight% of K2Cr2O7 used in the oxidation of KI is ...

Which of these is the maximum at x=5 ...

Weight% of MnO2 oxidised by potassium dichromate is ...

lim [x]+[2x]+[3x]...............[nx] n→∞ n2 ...

The weight% of KI reduced by MnO2 is ...

What is the range of: sin x + cos x ...

This is a comprehension for questions 20-23 A sample of 20 ml 0.1 M MnO2 solution is taken. In this solution 10 ml of KI solution and 3 millimole of K2Cr2O7 is added. KI in the solution is reduced by both MnO2 & K2Cr2O7. The ...

What is the maximum area that an ellipse with parameter πC can have. It is given that the area of ellipse is π. a. b while the perimeter is π(a+b) where a and b are some constants depending on the nature of the ellipse! ...

find the minima of Tan2(x-a)+Tan(x-a)+1/4 ...

The packing fraction of the unit cell is ...

The radius ratio of the voids (rvoid/ratom) is ...

Statement 1: D2 is the whole of R Statement 2: |Cos(2.π.x)|≤1 for all x ...

Assertion- Reasoning type. (Refer Instructions for the choices) Statement 1: D1 is not the whole of R Statement 2: n!.x becomes an integer for only rational values of x for large enough values of n ...

Section-IV: Linked compresension type This is a comprehension for Questions 17-19 Consider a unit cell in which atoms will occupy all corner points, all face centres, body centre and also all edge centres of the cube. The no. ...

Which is true about R3 ? ...

For the comprehension given below, answer the questions that follow. f(x)= lim Cos(n! 2. pi. x) n is an integer. n→∞ g(x) = lim Cosn(2. pi. x) n→∞ h(x) = lim {Cos(n . x) + 2} 1/n n→∞ Range of f = R ...

STATEMENT-1: The rate constant of the reaction does not increases on addition of catalyst. STATEMENT-2: The rate constant varies according to the Arrhenius equation K=Ae-Ea/RT ...

STATEMENT-1: There are two lone pairs in XeF4, still it have zero dipole moment STATEMENT-2: The shape is symmetric ...

Section-III: Reasoning type STATEMENT-1: At high altitudes cooking takes place faster STATEMENT-2: At high altitudes water boils at temperature higher than 100°C ...

N2+O2→N2O5 5.6 gm of N2 and 14.4 gram of oxygen is taken and react to form N2O5 STATEMENT-1: The weight of N2O5 formed is less than the sum of weights of nitrogen and oxygen taken STATEMENT-2: Some of the O2 will not react ...

When Volume of a ideal gas becomes twice, then ...

Equal weights of methane and oxygen are taken in a container, then ...

The electronic configuration 1s22s22p63s23p6 of an element can be it its ...

Statement 1: 3-|x3| has a maxima of 3 Statement 2: For local maxima, derivative at maxima is 0. The second Derivative is -ve. These are the necessary conditions for a differentiable function. ...

Statement 1: Minima of y=x/(1+x2) (when x>0) is 1/2 Statement 2: derivative of y at x=1 is 0 and the value at 1 is 1/2 ...