KVPY Government Jobs Exams

A girl brings a positively charged rod near a thin neutral stream of water from a tap. She observes that the water stream bends towards her. Instead, if she were to bring a negatively charged rod near to the steam, it will
option
(A) Bend in the same direction
(B) Bend in the opposite direction
(C) Not bend at all
(D) Bend in the opposite direction above and below and rod

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KVPY Other Question
Which statements about the Rutherford model of the atom is NOT true ?
(A) There is a positively charged center in an atom called the nucleus
(B) Nearly all the mass of an atom resides in the nucleus
(C) Size of the nucleus is completely to the atom
(D) Electrons occupy the space surrounding the nucleus Let a, b, c be positive integers such that
b^2 c
a^2 b
+
+ is a rational number,
then which of the following is always an integer