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How do forests have a favourable effect on the climate

Forests determine the climate of a region because they affect the humidity of the place. That is, through the process of transpiration,... View Article

A wire of length L and radius r is fixed at one end. When a stretching force F is applied at free end, the elongation in the wire is l. When another wire of same material but of length 2L and radius 2r is also fixed at one end is stretched by a force 2F applied at free end, the elongation in the second wire will be?

A wire of length L and radius r is fixed at one end. When a stretching force F is applied at free end, the elongation in the wire is l. When... View Article

Currency is issued by

Currency is issued by? RBI by President of India by Finance Minister None of these The correct option is i.RBI... View Article

Two bodies are thrown from the same point with the same velocity of 50 m/s. If their angles of projection are complimentary to each other and the difference of maximum heights is 30 m, the maximum heights are?

Given: v = 50 m/s (Hmax)1=u2sin2θ/2g... View Article

The formula of metal oxide of a metal A is A2O3. Determine the formula of its phosphate.

The formula of metal oxide of a metal A is A2O3. Determine the formula of its phosphate. A3PO4 APO4 A(PO)2 A2(PO4)2 The correct option... View Article

Which of the following contains only three pairs of electrons

Which of the following contains only three pairs of electrons? free radical carbanion carbocation all of these The correct option is... View Article

A 32 bit microprocessor has the word length equal to

A 32 bit microprocessor has the word length equal to 4 bytes.... View Article

Reading : Knowledge and Work:?

Reading:Knowledge::Work:? experience experiment employment engagement The correct option is i.experience... View Article

From a tower of height H, a particle is thrown vertically upwards with a speed u. The time taken by the particle to hit the ground is n times that taken by it to reach the highest points of its path. What is the relation between H, u, and n?

Time to reach the maximum height = t1 = u/g If t2 is the time taken to hit no ground, then -H=ut2-1/2gt22 It is given... View Article

Study the velocity-time graph and calculate: the acceleration from A to B, the acceleration from B to C, the distance covered in the region ABE, the average velocity from C to D, the distance covered in the region BCFE

Study the velocity-time graph and calculate the acceleration from A to B the acceleration from B to c the distance covered in the region... View Article

Flowering dependent on cold treatment is

Flowering dependent on cold treatment is vernalisation cryotherapy cryopscopy cryogenics The correct option is i.vernalisation... View Article

Five balls numbered 1 to 5 are suspended using separate threads. Pairs (1,2) (2,4) (4,1) show electrostatic attraction while pairs (2,3) and (4,5) show repulsion, therefore ball 1 must be?

Five balls numbered 1 to 5 are suspended using separate threads. Pairs (1,2) (2,4) (4,1) show electrostatic attraction while pairs (2,3) and... View Article

Facultative saprophyte is

Facultative saprophyte is always a saprophyte a parasite which can live as a saprophyte always a parasite may acquire parasitic mode of... View Article

A cylinder of mass m and radius R is rolling without slipping on a horizontal surface with angular velocity ω0. The velocity of centre of mass cylinder is ω0R. The cylinder comes across a step of height R/4. Then the angular velocity of the cylinder just after the collision is?

A cylinder of mass m and radius R is rolling without slipping on a horizontal surface with angular velocity ω0. The velocity of centre of mass... View Article

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