Recent questions tagged jee(main)-2021-(24feb-shift1)

Which of the following have both the compound isostructural. (A) TiCl4, SiCl4 (B) SO42-, CrO42- (C) NH3, NO3– (D) ClF3, BCl3 (1) A,B (2) A,C (3) B,C (4) A,D

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by JeeNeetQnA in Environmental Chemistry asked Mar 4 438 views

The gas evolved due to anaerobic degradation of vegetation causes?

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by JeeNeetQnA in Biomolecules asked Mar 4 23 views

Which force is responsible for the stacking of α-helix structure of protein?

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by JeeNeetQnA in Sets, Relations and Functions asked Mar 2 21 views

Let f(x) = 4x3 − 3x2 / 6 − 2 sin x + (2x−1) cos x then f(x)

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by JeeNeetQnA in Co-ordinate Geometry asked Mar 2 112 views

Tangent at point P(t, t3) of curve y = x3 meets the curve again at Q then ordinate of point which divides PQ in 1 : 2

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by JeeNeetQnA in Trigonometry asked Mar 2 19 views

Two towers are 150m distance apart. Height of one tower is thrice the other tower. The angle of elevation of top

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by JeeNeetQnA in Binomial Theorem and its Simple Applications asked Mar 2 58 views

The value of (–15C1 + 2.15C2 – 3.15C3 + ....... –15.15C15) + (14C1 + 14C3 + .......... + 14C11) is

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by JeeNeetQnA in Mathematical Reasoning asked Mar 2 11 views

Which of following is tautology ?

Which of following is tautology ? (1) $A\land(A\to B)\to B$ (2) $B\to(A\land A\to B)$ (3) $A\land (A\lor B)$ (4) $(A\lor B)\land A$

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by JeeNeetQnA in Differential Equations asked Mar 2 11 views

Population of a town at time t is given by the differential equation dP(t)/dt = (0.5) P(t) − 450. Also P(0) = 850

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by JeeNeetQnA in Statistics and Probability asked Mar 2 9 views

A fair die is thrown n times. The probability of getting an odd number twice is equal to that getting an even number

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by JeeNeetQnA in Complex Numbers and Quadratic Equations asked Mar 2 92 views

There are two positive number p and q such that p + q = 2 and p4 + q4 = 272. Find the quadratic equation whose roots are

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by JeeNeetQnA in Permutations And Combinations asked Mar 2 21 views

There are 6 Indians 8 foreigners, Find number of committee form with atteast 2 Indians such that number of foreigners

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by JeeNeetQnA in Co-ordinate Geometry asked Mar 2 35 views

The locus of mid-point of the line segment joining focus of parabola y2 = 4ax to a point moving on it, is a parabola

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by JeeNeetQnA in Electromagnetic Induction and Alternating Currents asked Mar 1 30 views

In AC series R-L-C resonance circuit Resistance R = 6.28 ohm, frequency 10 MHZ and self inductance L = 2 × 10–4 Henry

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by JeeNeetQnA in Communication Systems asked Mar 1 28 views

Vm = 20sin[100πt+π/4], Vc = 80sin[104t+π/6], For amplitude modulation wave find out percentage modulation index.

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by JeeNeetQnA in Electromagnetic Waves asked Mar 1 15 views

An electromagnetic wave is propagating in medium, where μr = εr = 2. If speed of light in medium is x × 10^7 m/s.

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by JeeNeetQnA in Gravitation asked Mar 1 8 views

Two planet are resolving about planet with T1/T2 = 1/8. Find the ratio of the angular speed ω1/ω2

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by JeeNeetQnA in Properties of Solids and Liquids asked Mar 1 45 views

A 100 kg block can be lift by placing a mass m on a piston (hydraulic lift). If diameter of piston placed at one

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by JeeNeetQnA in Physics asked Mar 1 12 views

i = 20t + 8t^2, Find charge flown during 0 ≤ t ≤ 15

i = 20t + 8t2 Find charge flown during $0 \leq t \leq 15$ Numerical Value Type

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