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1) A flat square sheet of charge of side 50 cm carries a uniform surface charge density. An electron 0.5 cm from a point near the centre of the sheet experiences a force of 1.8 X 10 - 12 N, directed away from the sheet. Deter ...
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may be easy *Image* ...
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After several operations of differentiation and multiplication by (x+1) performed in an arbitrary order, the poylnomial (x8+x7) is changed to (ax+b). Show that |(a-b)| is divisible by 49..... ...
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*Image* why have they used h---->1 for LHL and h----->0 for RHL??can u account for this! ...
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N people are standing in a line, facing forward down the line. How many of them, on average, are able to say, “I am taller than everyone in front of me.� ...
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Pick out the statement(s) which is/are not true about the diagonal relationship of Li and Mg. (A) Like Li, Mg forms a nitride by direct combination with nitrogen. (B) Like lithium, magnesium reacts rapidly with water. (C) Lik ...
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Pick out the statement(s) which is/are not true about the diagonal relationship of Li and Mg. (A) Like Li, Mg forms a nitride by direct combination with nitrogen. (B) Like lithium, magnesium reacts rapidly with water. (C) Lik ...
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Column-I gives certain situations regarding a point object and its image formed by an optical instrument. Consider direction of incident ray as positive x-direction. The possible optical instruments are concave and convex mir ...
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Q1,2 *Image* Q3 *Image* ...
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A rubber band with initial length L has one end tied to a wall. At t = 0, the other end is pulled away from the wall at speed V (assume that the rubber band stretches uniformly). At the same time, an ant located at the end no ...
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A rubber band with initial length L has one end tied to a wall. At t = 0, the other end is pulled away from the wall at speed V (assume that the rubber band stretches uniformly). At the same time, an ant located at the end no ...
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A 15-letter word is to be formed by using 5A's, 5B's and 5C's.....Such dat there are no A's in the 1st 5 places, no B's in the next 5 places and no C's in the last 5 places. How many such words are possible? AKS solved dis fo ...
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Consider an ellipse x2/sec2a + y2/tan2 a = 1 ,0<a<pi/4 with foci S1 & S2 . Let M be a point on the y-axis such that OM = OS1 , where O is origin. Which of the following r correct? (A)M lise inside the ellipse (B) M lies ...
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I have Resonance Test Series papers if anyone can provide me with BT papers or even Fiitjee i am willing to exchange BT preffered ...
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I have Resonance Test Series papers if anyone can provide me with BT papers or even Fiitjee i am willing to exchange BT preffered ...
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IF DELHI IS CAPITAL OF INDIA THEN , INDIA IS ----------------- OF DELHI [fill in the blank] ...
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Ques 1) A body centred cubic lattice is made up of hollow spheres of B. Spheres of Solid A are present in hollow spheres of B. Radius of A is half of radius of B. What is the ratio of the total volume of spheres of B unoccupi ...
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Wich is a good book for mathematics wich has theorems,formula and gud sums.i need it badly.my maths is in very ad condition. ...
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find the resistance between the points a and b. please show me the full solution *Image* ...
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Ques 1) A boy of height 1.5 m with the eye level at 1.4 m stands before a plane mirror of length 0.75 m fixed on the wall. The height of the lower edge of the mirror above the floor is 0.8 m. Then :- (a) the boy will see his ...
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Ques 1) A boy of height 1.5 m with the eye level at 1.4 m stands before a plane mirror of length 0.75 m fixed on the wall. The height of the lower edge of the mirror above the floor is 0.8 m. Then :- (a) the boy will see his ...
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Ques 1) A boy of height 1.5 m with the eye level at 1.4 m stands before a plane mirror of length 0.75 m fixed on the wall. The height of the lower edge of the mirror above the floor is 0.8 m. Then :- (a) the boy will see his ...
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a ball of mass m is thrown up with a vel. 10 m/s.and it returns to the hand of the thrower with a vel .of 9 m/s. find the height attained by the ball(take level of hand to be 0 and air resistance to be uniform) ...
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Consider an ellipse x2/sec2a + y2/tan2 a = 1 ,0<a<pi/4 with foci S1 & S2 . Let M be a point on the y-axis such that OM = OS1 , where O is origin. Which of the following r correct? (A)M lise inside the ellipse (B) M lies ...
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Wich is a good book for mathematics wich has theorems,formula and gud sums.i need it badly.my maths is in very ad condition. ...
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Wich is a good book for mathematics wich has theorems,formula and gud sums.i need it badly.my maths is in very ad condition. ...
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*Image* plz explain ur name too!!!!!! ...
