AIIMS (All India Institute of Medical Sciences) Physics: Questions 361  365 of 500
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Question number: 361
» Oscillations and Waves » Speed of a Wave
Question
A tuning fork vibrating at 250 Hz produces a sound wave which travels in air at a speed. Find the distance travelled by sound during the time the fork makes 70 vibrations.
Choices
Choice (4)  Response  

a.  65.5 m 

b.  70 m 

c.  92.4 m 

d.  82.6 m 

Question number: 362
» Kinetic Theory of Gases » Kinetic Energy and Temperature
Question
The mean translation kinetic energy of an oxygen molecule at is –
(Avogadro number and )
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 363
» Magnetic Effects of Current and Magnetism » Biot  Savart Law
Question
The earth’s magnetic field at a given point is. This field is to be annulled by magnetic induction at the center of a circular conducting loop of radius 8.0 cm. The current required to be flown in the loop is nearly:
Choices
Choice (4)  Response  

a.  50 A 

b.  0.5 A 

c.  0.25 A 

d.  5 A 

Question number: 364
» Ray Optics » Resolving Power of Microscopes and Astronomical Telescopes
Question
A telescope has an objective lens of focal length 100 cm and an eye piece with focal length 5cm. If this telescope is used to see a 30 meter tall building at a distance of 1km, what is the height of the image of the building formed by the objective lens –
Choices
Choice (4)  Response  

a.  27 cm 

b.  3 cm 

c.  1 cm 

d.  9 cm 

Question number: 365
» Properties of Solids & Liquids » Viscosity
Question
Calculate the volume of water flowing in 15 minutes through a horizontal tube of 0.4 cm diameter, 75 cm long. The pressure head across the ends of the tube is 30 cm of water column. Coefficient of viscosity of water is S. I. units.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

