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An electron moving in an electromagnetic field moves in a
The total work done on the particle is equal to the change in its kinetic energy
Astronauts in stable orbits around the earth are in a state of weightlessness because
An organ pipe, open at both ends and another organ pipe closed at one end, will resonate with each other, if their lengths are in the ratio of
A parallel plate capacitor is charged and the charging battery is then disconnected. If the plates of the capacitor are moved further apart by means of insulating handles
Two equal negative charges q are fixed at point (0,a) and (0,a) on the yaxis. A positive charge Q is released from rest at the point (2a,0) on the xaxis. The charge Q will
A square conducting loop of length Lon a side carries a current I. The magnetic field at the centre of the loop is
The focal length of a convex lens when placed in air and then in water will
The maximum kinectic energy of the photoelectron emitted from the surface is dependant on
An electron orbiting in a circular orbit around the nucleus of the atom
Two successive elements belonging to the first transition series have the same number of electrons partially filling orbitals. They are
When n+l has the same value for two or more orbitals,the new electron enters the orbital where
A balloon filled with ethylene is pricked with a sharp pointed needle and quickly placed in a tank full of hydrogen at the same pressure. After a while the balloon would have
Which of the following statements represent Raoults Law
Pure water does not conduct electricity because it is
The hydrolysis of alkyl halides by aqueous NaOH is best termed as
The hydrocarbon that gives a red precipitate with ammoniacal cuprous chloride is (where means a triple bond)
Which of the following reagents is neither neutral nor basic
Which of the following oxides cannot be reduced by carbon to obtain metal
Which among the following is called philosophers wool
Out of 10 white, 9 black and 7 red balls, in how many ways can we select one or more balls
A and B throw a dice. The probability that As throw is not greater than Bs is
Given two numbers a and b. Let A denote the single AM between these and S denote the sum of n AMs between them. Then S/A depends upon
If the sum of the roots of the equation ax^{2}+bx+c=0 is equal to the sum of the squares of theirnreciprocals, then, a/c, b/a, c/b are in
In the following questions ~ represents the integral signfor eg. 1~2[f(x)] means integration of the function f(x) over the interval 1 to 2.
Q. Value of 1~2[2x2]dx, ie integration of the function 2x2 over the interval 1 to 2.
If 0~P[log sinx]dx=k,then the value of 0~P/4[log(1 + tan x)]dx ,where P stands for pi, is
If a,b,c be in GP and p,q be respectively AM between a,b and b,c then
A solution of KMnO_{4} is reduced to MnO_{2} .The normality of solution is 0.6.The molarity is
A person travels 12 km in the southward direction and then travels 5km to the right and then travels 15km toward the right and finally travels 5km towards the east, how far is he from his starting place?
Xs fathers wifes fathers granddaughter uncle will be related to X as
Find the next number in the series 1, 3 ,7 ,13 ,21 ,31
If in a certain code RANGE is coded as 12345 and RANDOM is coded as 123678.Then the code for the word MANGO would be
6 people A,B,C,D,E and F sit around a table for dinner.Since A does not like C, he doesnt sit either opposite or beside C.B and F always like to sit opposite each other.
Q. If A is beside F then who is are the two neighbours of B?
6 people A,B,C,D,E and F sit around a table for dinner.Since A does not like C, he doesnt sit either opposite or beside C.B and F always like to sit opposite each other.
Q. If D is adjacent to F then who is adjacent to C?
A person travels 6km towards west, then travels 5km towards north ,then finally travels 6km towards west. Where is he with respect to his starting position?
If A speaks the truth 80% of the times, B speaks the truth 60% of the times. What is the probability that they tell the truth at the same time
If the time quantum is too large, Round Robin scheduling degenerates to
Transponders are used for which of the following purposes
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