Recently Active Disucss Test Question Questions

In a two dimensional oblique elastic collision between two balls ...

Which is the correct definition of power ? Symbols carry their usual meanings. ...

A projectile bursts in mid-air into fragments. The conservation of linear momentum can be applied at ...

Multiple Correct answers 34-37 *Image* A block of mass 5 kg is kept at rest on a rough vertical wall by applying a force 100 N onto it.Take g =10 m/s2 .Then, ...

*Image* Block 1 kg is given an initial velocity 1 m/s towards right.If the location of 1 kg block at any time is given as x1 = 3t + sin t then what is the velocity of block 2 kg as a function of t ? ...

*Image* Initially the balance is held in a horizontal position and then it is released. In which direction the balance will tilt ? ...

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) = ...