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1.
Which one of the following pairs does not have the same dimension?
2.
Match List I (Items) with List II (Unit of length) and select the correct answer by using the codes given below the lists.
List I (Items)
A. Distance between earth and stars
B. Interatomic distances in a solid
C. Size of the nucleus
D. Wavelength of infrared laser
List II (Units of length)
1 Microns
2 Angstroms
3 Light years
4 Fermi
5 kilometres
List I (Items)
A. Distance between earth and stars
B. Interatomic distances in a solid
C. Size of the nucleus
D. Wavelength of infrared laser
List II (Units of length)
1 Microns
2 Angstroms
3 Light years
4 Fermi
5 kilometres
3.
Assertion: Density is a derived physical quantity.
Reason: Density cannot be derived from the fundamental physical quantities.
Reason: Density cannot be derived from the fundamental physical quantities.
4.
The numerical ratio of displacement to the distance covered is always.
5.
An iron ball and a wooden ball of same radius are released from a height 'h' in vacuum. Which of the two balls would take more time to reach the ground?
6.
If an object undergoes a uniform circular motion, then its
7.
Which one of the following remains constant while throwing a ball upward?
8.
A passenger in a moving train tosses a five rupee coin. If the coin falls behind him, then the train must be moving with a uniform
9.
A stone is thrown vertically upwards with an initial velocity u from the top of a tower of height 12u2/g|. With what velocity does the stone reach the ground?
10.
