KVPY Stream-SA (Class 11) Physics: Questions 56 - 59 of 242

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Question number: 56

» Electrostatics » Electric Charges

Appeared in Year: 2012

MCQ▾

Question

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 stream, it will:

Choices

Choice (4) Response
a.

bend in the opposite direction above and below the rod

b.

not bend at all

c.

bend in the same direction

d.

bend in the opposite direction

Question number: 57

» Atoms and Nuclei » Rutherford's Model of Atom

Appeared in Year: 2012

MCQ▾

Question

Which statement about the Rutherford model of the atom is NOT true?

Choices

Choice (4) Response
a.

Nearly all the mass of an atom resides in the nucleus

b.

Electrons occupy the space surrounding the nucleus

c.

There is a positively charged centre in an atom called the nucleus

d.

Size of the nucleus is comparable to the atom

Question number: 58

» Thermodynamics » Concept of Temperature

Appeared in Year: 2012

MCQ▾

Question

150 g of ice is mixed with 100 g of water at temperature 800C. The latent heat of ice is 80 cal/g and the specific heat of water is 1 cal/g-0C. Assuming no heat loss to the environment, the amount of ice which does not melt is:

Choices

Choice (4) Response
a.

0 g

b.

150 g

c.

50 g

d.

100 g

Question number: 59

» Current Electricity » Kirchhoff's Laws

Appeared in Year: 2013

MCQ▾

Question

A current of 0.1 A flows through a 25 Ω resistor represented by the circuit diagram. The current in the 80 Ω resistor is,

Circuit diagram of combination of five resistors

Circuit Diagram of Combination of Five Resistors

Figure shows combination of five resistors.

Choices

Choice (4) Response
a.

0.4 A

b.

0.3 A

c.

0.1 A

d.

0.2 A

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