Which of the following cannot be seen by a microscope?
- ASmall nearly objects
- BBacteria
- CStars
- DCells and virus
Which of the following cannot be seen by a microscope?
Explanation:
A microscope is an instrument used to see objects too small for the naked eye. microscope is used to look into smaller details like the structure of the cells and the unicellular organism. On the other hand larger objects that are very far off are the targets of a telescope. hence,stars cannot be seen by a microscope.
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The average binding energy per nucleon in the nucleus of an atom is approximately
|
(a) 8 eV |
(b) 8 KeV |
(c) 8 MeV |
(d) 8 J |
A conducting rod of length l is falling with a velocity v perpendicular to a uniform horizontal magnetic field B. The potential difference between its two ends will be
|
(a) 2Blv |
(b) Blv |
(c) |
(d) |
The resistance of a discharge tube is
|
(a) Ohmic |
(b) Non-ohmic |
(c) Both (a) and (b) |
(d) Zero |