Physics - Mechanics

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Question - 1

Which of the following pair is wrong?

  • A Pressure - Barometter
  • B Relative density - Pyrometer
  • C Temperature - Thermometer
  • D Earthquacke - Seismograp

Question - 2

Match the Columns

Quantity Unit
A. Luminous intensity 1. Kelvin
B. Amount of substance 2. Candela
C. Time 3. Second
D. Temperature 4. Mole
  • A A B C D 2 4 3 1
  • B A B C D 4 2 3 1
  • C   A B C D 2 1 4 3
  • D A B C D 4 3 2 1

Question - 3

Which of the followingoair of physical Quantities has the the same dismensions?

  • A Work and Power
  • B Momentom and Energy
  • C Forc and Power
  • D Work and Energy

Question - 4

Which one of the following is vector quantity?

  • A Momentum
  • B Pressure
  • C Energy
  • D Work

Question - 5

One astronomical unit is the average distence between

  • A Earth and the Moon
  • B Earth and the Sun
  • C Jupiter and the Sun
  • D Pluto and the Sun

Question - 6

A noise level of 100 deciabel wouls correspond to

  • A Just audible Sound
  • B Ordinary conversation
  • C Sound from a noisy street
  • D Noise from a machine shop

Question - 7

Prasec is the unit of

  • A Distance
  • B Time
  • C Intensity of light
  • D Magnetic line

Question - 8

Match List I (Quantity) with list II (Unit) and select the correct answer using the code given below

List I List II
A. High speed 1. Mach
A. High speed 2. Angstrom
C. Pressure 3. Pascal
D. Energy 4. Joule
  • A A B C D 2 1 4 3
  • B A B C D 2 1 3 4
  • C A B C D 1 2 4 3
  • D A B C D 1 2 3 4

Question - 9

Match List I with list II  and select the correct answer using the code given below

List I List II
A. Joule 1. Hentry- ampere/sec
B. Watt 2. Farad-Volt
C. Volt 3. Coulomb-Volt
D. Coulombo 4. Oersted-cm
  5. Amp-gauss
  6. Amp2-ohm
  • A A B C D 1 6 5 4
  • B A B C D 3 6 1 2
  • C A B C D 3 6 1 5
  • D A B C D 2 6 1 3

Question - 10

Considre the following statement 

1. The meganitude if vector is aways a scalar.

2. The total path length is always equal to the meganitude of the diaplacement vector of a particle.

3. The average speed of particle is eithr greater or equal t the magnitude of the average velocity of the particle over the same interval of time.

4. Three vectors not lying in a plane can nevre add up to give a null

Which of the statement(s) Given above is / are correct ?

  • A 1, 2 and 3
  • B 1, 3 and 4
  • C 1, 2 and 4
  • D 1, 2, 3 and 4