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Let first line be x = y = z, second line be x=y/2=z/3 and third line is passing through (1, 1, 1). Area of triangle formed by these three lines is √6 unit, and point of intersection of third line with second line is (a, b, ...
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A uniform rigid quarter circular ring of radius R and center O is fixed to horizontal roof OX and vertical wall OY. *Image* Let the horizontal component of reaction of roof on ring at A be equal to R1 and the horizontal compo ...
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Centrifugal force is reactionary force of centripetal force. ...
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1 . *Image* 2. What is the product obtained on treating ethyl chloride with dry Ag2O ? ...
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1.Plaskett's binary system consists of two stars that revolve in a circular orbit about a centre of gravity midway between them.This means that the masses of the two stars are equal if the orbital speed of each star is V and ...
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giv reason *Image* ...
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Why the order of reactivity of halogens in halogenation of alkanes is: F2 > Cl2 > Br2 > I2 Plzz explain with full details..... ...
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find the max no of hyperconjugation forms of structure *Image* tell how to find i m geting 7 but ans is diff ...
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arrange the following in decresing order of stability *Image* ...
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An organ produces a G note with an intensity of 10-6 W/m2. What is the sound level of this G note? a. 6 dB b. 18 dB c. 60 dB d. 120 dB ans (c) ...
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1) Let f(x+y)= f(x).f(y) for all x & y. Given that f(3)=3 & f'(0)= 11.Then f'(3)= ? A) 22 B) 44 C) 33 D) None Assertion-Reason Type - 2) I- The sum or difference of two discontinuos functions may be continuous at a point. II- ...
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*Image* Is the ans a or d ...
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1> S=1/12+1/22+1/32.......upto ∞ S1=1/12+1/32+1/52.....upto ∞ S2=1-1/22+1/32-1/42......upto ∞ then the value of 486 S1/S2 solution required ...
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find teh greatest value of the expression (a-x)(b-y)(c-z)(ax+by+cz) where a,b,c are known +ve quatities and a-x,b-y,c-z are also +ve. ...
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A potential diff. of 2 V is applied to a coil of resistance 2 ohm and inductance 2 H. What is the current after 1 second? a) 0.732 A b)0.632 A c)0.932 A d)0.693 A ...
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with appropriate working f(x)= \left(1+\frac{1}{x} \right)^{x} ...
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Ques 1) If the point (cos θ , sin θ ) does not fall in that angle between the lines y = |x-1| in which the origin lies, then θ belongs to (a) (∩ /2 . 3∩ /2) (b) (-∩/2 , ∩/2) (c) (0,∩) (d) none of these Ques 2) If ...
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g(k)={4k+√(4k2-1) }/ √(2k+1)+√(2k-1) k belongs to N then find the value of g(1)+g(2)+g(3)........g(60)= ...
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1. STATEMENT1--for achromatic combination of lenses ,nature of lenses should be opposite .i.e. one converging and the other diverging STATEMENT2.---relation between dispersive powers and focal length is w1/f1 +w2/f2=0 to remo ...
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*Image* A small bucket of mass M is attached to a long inextensible cord of length :L as shown in fig. The bucket is released from its lowest position, the bucket scoops up mass m and swing to a height h. The height h is A. L ...
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pulley's radius is 20cm and M.I is 0.2kgm2 .the string is attached to a block. spring constant is 50 N/m .mass of block=1kg.The system is released from rest with spring at its natural length .Find speed of the block when it h ...
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In order to get maximum calorific output,a burner should have an optimum fuel to oxygen ratio which corresponds to 3 times as much oxygen as is required theoretically for complete combustion of the fuel.A burner which has bee ...
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Why is the ignition temperature of white phosphorus v low? ...