UPSC EPFO EO/AO 2021 · Question 48

Question 48 of the UPSC EPFO EO/AO Recruitment Test 2021 (General Ability Test, Advt. 51/2020) (5 September 2021). Try it first, then check your answer and the explanation in the practice app.

1. EO/AO 2021 · Q48 · General Science & Computers · Physics

   Which one of the following is the size of hydrogen atom?

   1. 10⁻¹⁰ m
   2. 10 μm
   3. 10 mm
   4. 1000 Å

   हाइड्रोजन परमाणु का आकार निम्नलिखित में से कौन-सा है?

   1. 10⁻¹⁰ m
   2. 10 μm
   3. 10 mm
   4. 1000 Å

   Answer and explanation: open it in the practice app. 3 days free when you register, then one ₹45 PYQ Pass for every exam on the site.

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