Physics
General
Easy

Question

Which from the following is a scalar ?

  1. Electric current
  2. Velocity
  3. acceleration
  4. Electric field

The correct answer is: Electric current

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The greatest positive integer which divide left parenthesis n plus 2 right parenthesis left parenthesis n plus 3 right parenthesis left parenthesis n plus 4 right parenthesis left parenthesis n plus 5 right parenthesis left parenthesis n plus 6 right parenthesis text  if  end text n element of N is

The greatest positive integer which divide left parenthesis n plus 2 right parenthesis left parenthesis n plus 3 right parenthesis left parenthesis n plus 4 right parenthesis left parenthesis n plus 5 right parenthesis left parenthesis n plus 6 right parenthesis text  if  end text n element of N is

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The sets S subscript 1 comma S subscript 2 comma S subscript 3 comma horizontal ellipsis horizontal ellipsis are given byS subscript 1 equals open parentheses 2 over 1 close parentheses comma S subscript 2 equals open parentheses 3 over 2 comma 7 over 2 close parentheses comma S subscript 3 equals open parentheses 4 over 3 comma 9 over 3 comma 14 over 3 close parentheses S subscript 4 equals open parentheses 5 over 4 comma 11 over 4 comma 17 over 4 comma 23 over 4 close parentheses horizontal ellipsis horizontal ellipsis then the sum of numbers in the set S subscript 20 is :

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If S subscript 1 equals left curly bracket 1 right curly bracket comma S subscript 2 equals left curly bracket 2 comma 4 right curly bracket comma S subscript 3 equals left curly bracket 3 comma 6 comma 9 right curly bracket S subscript 4 equals left curly bracket 4 comma 8 comma 12 comma 16 right curly bracket comma horizontal ellipsis horizontal ellipsis

then sum of the numbers in the set  is

If S subscript 1 equals left curly bracket 1 right curly bracket comma S subscript 2 equals left curly bracket 2 comma 4 right curly bracket comma S subscript 3 equals left curly bracket 3 comma 6 comma 9 right curly bracket S subscript 4 equals left curly bracket 4 comma 8 comma 12 comma 16 right curly bracket comma horizontal ellipsis horizontal ellipsis

then sum of the numbers in the set  is

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If n is even, S subscript n equals 1 squared plus 2.2 squared plus 3 squared plus 2.4 squared plus 5 squared plus 2.6 squared horizontal ellipsis n terms equals fraction numerator n left parenthesis n plus 1 right parenthesis squared over denominator 2 end fraction, if straight n is odd then S subscript n equals

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Central Rice Research Institute (CRRI) is situated at

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In the above figure Error converting from MathML to accessible text. and Error converting from MathML to accessible text. are two vectors. What from followings is true

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To introduce a vector quantity.....

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The relation between velocity and position of a particle is given by V=alpha minus beta straight x. Its initial velocity is zero. Find its velocity at time t=1 over B

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A particle moves on a plane along the path Y=Ax3+B in such a way that fraction numerator d x over denominator d t end fraction equals c minus c comma A, B are constants. Calculate the acceleration of the particle.

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The relation between velocity and position of a particle is V=AX+B whore A and B Acceleration of the particle is 10 ms2 when its velocity is , How much is the acceleration when its velocity is 2V.

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A ball is thrown vertically upward. What is the velocity and acceleration of the ball at the maximum height?

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