Following graph is plotted between displacement and time. Its acceleration is best described as (where b, c are +ve constants)
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The oxidation states of Satoms in Marshall’s acid and Caro’s acids are respectively
An electron return from excited state to ground state in Hatom and emits a photon of wavelength l, the principle quantum number of excited state is given by
If resistance R = (100 ± 5) Ω and current I = (10 ± 0.2) A. The percentage error in thermal power (P = I^{2}R) is
If the system of linear equations : x+ 3y +7z = 0 x + 4y +7z = 0 (sin3θ)x+ (cos2 θ)y +2z = 0 has a nontrivial solution, then the number of values of θ lying in the interval [0, π], is
The number of integral values of m for which the equation, (1 + m^{2}) x^{2} – 2(1 + 3m) x + (1 + 8m) = 0, has no real root, is:
Which of the following compound does not decompose on heating?
If a particle moving in a straight line with uniform acceleration starting from rest covers displacement S_{1} in pth second and displacement S_{2} in (p + 1)th second, then the displacement upto p seconds is given by
If f is a function of real variable x satisfying f(x + 4) – f(x + 2) +f(x) = 0, then f is a periodic function with period:
A box contains 5 black and 4 white balls. A ball is drawn at random and its colour is noted. The ball is then put back in the box along with two additional balls of its opposite colour. If a ball is drawn again from the box, then the probability that the ball drawn now is black, is
A particle is moving in uniform circular motion with speed v of radius R. The ratio of average velocity to average acceleration in half of the circle
Lest S = (z ε C : z(iz1  1) = z1 + 1, z1 + 1, Then, for all z ε S, which of the following is always true?
The drawing represents a flat piece of sheet. The dotted lines show where the sheet has to be folded. Find the object that can be made by folding the sheet.
Which one of the answer figures, shows the correct view of the 3D problem figure, after the problem figure opened up.
Bibi ka maqbara’ bears a striking resemblance to which famous monument?
Select from the alternatives, the cube that can be formed by folding the following sheet:
_______________is the world’s 2nd largest stadium and is located in India
Which of the answer figures is the correct water reflection of the problem figure?
Out of the given figures, four are similar in a certain way,one is not. Which figure does not belong to the group?
2 videos10 docs17 tests

2 videos10 docs17 tests
