Physics-
General
Easy

Question

Two mirrors, labeled IM for left mirror and RM for right mirror in the adjacent figure, are parallel to each other and 3.0m apart. A person standing 1.0m from the right mirror (RM) looks into this mirror and sees a series of images. How far from the person is the second closest image seen in the right mirror (RM)?

  1. 10.0m    
  2. 4.0m    
  3. 6.0m    
  4. 8.0m    

The correct answer is: 6.0m

Related Questions to study

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The capacitors in figure are initially uncharged and are connected as in the diagram with switch S open. The applied potential difference is V subscript a b end subscript equals 360 text end text V.

How much charge flowed through the switch when it was closed

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The capacitors in figure are initially uncharged and are connected as in the diagram with switch S open. The applied potential difference is V subscript a b end subscript equals 360 text end text V.

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i) In an isolated system (neither connected to the terminal of a battery nor to any other source of charge e.g. each) net charge remains constant.
ii) From two terminal of a battery or from two plates of a capacitor equal and opposite charges enter or leave.
Question: Two capacitors of capacity 6 mu F and 3 mu F are charged to 100V and 50 Separately and connected as shown. Now all the three switches S subscript 1 end subscript S subscript 2 end subscript and S subscript 3 end subscript are closed.

Suppose q subscript 1 end subscript comma q subscript 2 end subscript and q subscript 3 end subscript be the magnitudes of charges flown from switches S subscript 1 end subscript comma text end text S subscript 2 end subscript and S subscript 3 end subscript after they are closed. Then :

i) In an isolated system (neither connected to the terminal of a battery nor to any other source of charge e.g. each) net charge remains constant.
ii) From two terminal of a battery or from two plates of a capacitor equal and opposite charges enter or leave.
Question: Two capacitors of capacity 6 mu F and 3 mu F are charged to 100V and 50 Separately and connected as shown. Now all the three switches S subscript 1 end subscript S subscript 2 end subscript and S subscript 3 end subscript are closed.

Suppose q subscript 1 end subscript comma q subscript 2 end subscript and q subscript 3 end subscript be the magnitudes of charges flown from switches S subscript 1 end subscript comma text end text S subscript 2 end subscript and S subscript 3 end subscript after they are closed. Then :

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i) In an isolated system (neither connected to the terminal of a battery nor to any other source of charge e.g. each) net charge remains constant.
ii) From two terminal of a battery or from two plates of a capacitor equal and opposite charges enter or leave.
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Charges on both the capacitors in steady state will be : (on 6 mu F first ):

i) In an isolated system (neither connected to the terminal of a battery nor to any other source of charge e.g. each) net charge remains constant.
ii) From two terminal of a battery or from two plates of a capacitor equal and opposite charges enter or leave.
Question: Two capacitors of capacity 6 mu F and 3 mu F are charged to 100V and 50 Separately and connected as shown. Now all the three switches S subscript 1 end subscript S subscript 2 end subscript and S subscript 3 end subscript are closed.

Charges on both the capacitors in steady state will be : (on 6 mu F first ):

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Which plate (s) form an isolated system :

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