11th Class Physics MCQS
Geometrical optics was introduced by
Euclid
Newton
Plato
Maxwell
Errors in a measurement are due to
Negligence of person
All of these
Impropriate method
Faulty apparatus
The means by which recombinant DNA is introduced into a cell is called:
Vector
Transmitter
Scalar
Carrier
Which of the following orbits will be filled first:
5d
4s
4f
3d
Urine is preferably used as a vehicle for biotechnology product than:
Tissue Fluid
Plasma
Blood
Milk
A subset of { a , b} is:
({a)}
{{a}}
{{b}}
{ }
Which of the following can be the inclusion criteria for pixels in image segmentation.
Threshold of intensity
Texture
Pixel intensity
All of the above
X-rays were discovered by:
Roentgen
Schrodinger
Rutherford
Bohr
Paramagnetism is exhibited by molecules:
Containing only paired electrons
Carrying a positive charge
Containing unpair electron
Not attached into the magnetic field
The number of significant figures in 12.65 are
8
2
4
6