Practice Question and Answer

Q:

वास्तविक वस्तु का हमेशा सीधा प्रतिबिंब बनाने वाला दर्पण होता है ?

1523 0

  • 1
    समतल, उत्तल, अवतल
    Correct
    Wrong
  • 2
    समतल, अवतल
    Correct
    Wrong
  • 3
    उत्तल-अवतल
    Correct
    Wrong
  • 4
    समतल, उत्तल
    Correct
    Wrong
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Answer : 4. "समतल, उत्तल"

Q:

वास्तविक वस्तु का आभासी प्रतिबिंब बनता है ?

1 0

  • 1
    उत्तल दर्पण
    Correct
    Wrong
  • 2
    समतल दर्पण
    Correct
    Wrong
  • 3
    अवतल दर्पण
    Correct
    Wrong
  • 4
    इनमें से सभी
    Correct
    Wrong
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Answer : 2. "समतल दर्पण "

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Answer : 2. "2016, 2017"

Q:

यदि ( 2x – y): ( 5x+3y)=3 : 8 है तो ( x2 + y2) : ( x2 – y2) का मान होगा।

2245 0

  • 1
    257 : 255
    Correct
    Wrong
  • 2
    145 : 144
    Correct
    Wrong
  • 3
    144 : 143
    Correct
    Wrong
  • 4
    133 : 122
    Correct
    Wrong
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Answer : 2. "145 : 144"

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