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#Question id: 20145


The radius of first Bohr orbit is , then de-Broglie wavelength of electron in 3rd orbit is nearly

#XL - P Chemistry
  1. 2πx 
  2. 6πx 
  3. 9x 
  4. x/3

Answer:- Option(s): 2


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#Question id: 3037

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#XL - S Microbiology

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Which statement about gram-negative bacteria is correct?

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#Question id: 3044

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If the pH indicator were left out of MacConkey agar, the medium would be

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