The images formed by diverging lenses are always
diminished, virtual and inverted
diminished, virtual and errect
diminished inverted and real
magnified, virtual and errect
magnified, real and inverted
Correct answer is B
No explanation has been provided for this answer.
reflection
polarisation
interference
diffraction
refraction
Correct answer is E
No explanation has been provided for this answer.
earth casts a shadow on the moon
moon casts a shadow on the sun
moon is between the sun and the earth
earth is between the sun and the moon
sun is between the moon and the earth
Correct answer is C
No explanation has been provided for this answer.
If an ebonite rod is rubbed with fur
both the ebonite rod and the fur will be negatively charged
the ebonite rod will be positively charged while the fur will have no charge
there will be electron transfer only if the ebonite rod is earthed
the ebonite rod will be negatively charged while the fur will be positively charged
the ebonite rod will be positively charged while the fur will be negatively charged
Correct answer is D
No explanation has been provided for this answer.
the boiling water rises slightly
the boiling point rises sharply
the rate of vaporisation of the boiling water increases
the boiling point first rises and then falls
neither the boiling point nor the rate of vaporisation increases
Correct answer is C
No explanation has been provided for this answer.