Recently Active Miscellaneous Questions

At high pressures the vander Waal's (for one mole of gas) equation is reduced to ...

The value of 'a'(L2-atm/mol2) for the gases H2 , CH4 , CO2 , He are given as 0.244, 2.25, 3.59, 0.0341 respectively. Which of these has the highest ease of liquifaction? ...

*Image* A block is at rest on a rough inclined plane.What can be the possible direction of total force exerted by the block on the plane ? ...

Questions 21-23 are based on the following comprehension Real gases deviate from ideal behavior and follows vander Waal's equation which is (P+an2/V2)(V-nb)=nRT where (P+an2/V2) is the pressure correction (intermolecu ...

*Image* What is the graph of acceleration vs displacement (x) ? ...

For the Questions 14-17, there are multiple correct choices If a is the solution of tan(x)=x. then which of the following is not true. ...

With the increase in temperature, activation energy ...

The time required for the reaction to complete upto 99.9% at 700 K is ...

*Image* What's the acceleration of the block , given all pulleys are massless and friction is absent. ...

Find the value of rate constant at temperature of 700 K ...

*Image* If all surfaces are smooth , what is the distance moved by M when m slides down to the bottom most point of the semi-circular track ? ...

Linked comprehension type Questions 17-20 are based on the following comprehension For a hypothetical reaction A→B the graph of logK(s-1) versus 1/T is given as shown in figure. Given tanθ=10000 and temperature at poin ...

A particle's velocity vector is given by the following equation V = 4 cos(wt) i + 4 sin(wt) j in m/s . Find the distance travelled in 3 seconds. ...

STATEMENT-I: O2- is paramagnetic while O2 is diamagnetic. STATEMENT-II: O2- has one unpaired electron and O2 has two unpaired electron. ...

STATEMENT-I: The density of the crystal decreases because of Frenkel defect. STATEMENT-II: In Frenkel defect ions are missing from their lattice sites and occupy interstitial sites. ...

Reasoning type STATEMENT-I: Many elements have non-integral atomic masses STATEMENT-II: Their isotopes have non-integral masses ...

Which of the following(s) is(are) correct? ...

One mole of ferrousoxalate for oxidation requires ...

The activity of a radioactivity sample reduced from 20 Ci to 1.25 Ci in 4800 years, then ...

What is the minimum distance between the curves y2-2xy-x2 = y3 and y2-2xy-x2 = y4 ...

Which of the following(s) is(are) correct? ...

f:R → R f is not a constant function! such that f(f(x)) = { f(x) }2 then f(f(a)) = ? ...

Multiple correct answer type questions follows Ground state electronic configuration of nitrogen atom can be represented by ...

f(k) = 1 + 1/2 + 1/3 + ............. 1/k f(1) + f(2) + f(3) + ... f(n) = ...

Statement 1: A line can never act as both normal and tangent to a curve. Statement 2: Normal and tangent at a point have slopes given by m1=-1/m2. So if they are the same, m1=m2, hence, m1=i (imaginary) ...

The number of neutrons accompanying the formation of 139Xe54 and 94Sr38 from the absorption of a slow neutron by 235U92, followed by nuclear fission is ...

Statement 1: The minimum value of y-1=(x-2)2 is 1 Statement 2: The maxima/minima of a function is found by checking the values at the end points and at the points where the derivative is zero. ...

Which of the following are isostructural and isoectronic? ...

Questions 8-10 are statement reasoning type. Statement 1: Derivative of k.f(x) = k. Derivative of f(x) Statement 2: Derivative of f(x).g(x) = f(x).g'(x)+f'(x).g(x). Derivative of a constant is zero! ...

Which of these is the intersection of the domain of f(g()) and g(f()) ...