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PHY101
Mid Term Spring 2013
Session 3 Date 27-05-2013
BC120200925
Total Questions 26
MCqs 20
Subjective 6
Objective:
40% MCqs from Past Papers….
Subjective questions:
Q.No21 (2 Marks)
What are the units and dimension of stress?
Q.No 22 (2 Marks)
Is it true to ray that centre of mass and center of gravity are the same? Either
yes or no explain.
Q.No 23 (3 Marks)
The tip of a funning fork goes through 540 vibration is 0.800s. Find the
angular frequency and the period of the motion.
Q.No24 (3 Marks)
How can an object move with respect to an observer so that the sound from
it is not shifted in frequency?
Q.No 25 (5 Marks)
2 22 /
55 .
?
rad s
N m
I





 (figure )
Q.No 26 (5 marks)
What is the beat frequency…If 262-Hz tuning fork and a 266-Hz. A 262- Hz fork
and a 272-Hz fork.
( I can’t understand this question  )

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paper. 40% MCQs were from past papers. Subjective all new

.Flamingos have broad, webbed feet, how does it enhance its stability while standing on one leg?
Why a sealed bottle partially filled with a liquid can float on a basin of same liquid.?
A tip of tuning fork goes through 540complete vibrations in 0.800s. Find its angular frequency and period of motion.
(a) Why a pulse on string is considered to be transverse?

(b) If we shake one end of a taut rope three times each second, what would be the period of sinusoidal wave set up in the rope?
5. What is beat frequency when a 262-Hz tuning fork and 266-Hz tuning fork are sounded together? A 262-Hz and a 272-Hz fork?
6. was a numerical. To find out weight of astronaut.

plx app k pass agr past papers hain mcqs tu share ker dain 

Permalink Reply by Muhammad Fawad 6 hours agoDelete

50% MCQs from past papers.

SUBJECTIVE:

1.  Define pressure, its unit and also tell either its scalar or vector.   (2 Marks)

2-  A value of one light year.  (2 Marks)

3-  Which could potentially cause you the greater injury; being tackled by a light-weight, fast moving football player or being tackled by a player with double the mass but moving at the half the speed. (5 Marks)



Read more: Phy 101 All Current Mid Term Papers Spring 2013 (25 May 2013 ~ 06 J... http://vustudents.ning.com/group/phy101physics/forum/topics/phy-101...

Reply by Hania Khan on SundayDelete

AOA, My today's paper. 40% MCQs were from past papers. Subjective all new

  1. .Flamingos have broad, webbed feet, how does it enhance its stability while standing on one leg?
  2.  Why a sealed bottle partially filled with a liquid can float on a basin of same liquid.?
  3. A tip of tuning fork goes through 540complete vibrations in 0.800s. Find its angular frequency and period of motion.
  4. (a) Why a pulse on string is considered to be transverse?

(b) If we shake one end of a taut rope three times each second, what would be the period of sinusoidal wave set up in the rope?

      5. What is beat frequency when a 262-Hz tuning fork and 266-Hz tuning fork are sounded together? A 262-Hz and a 272-Hz fork?

      6. was a numerical. To find out weight of astronaut.



Read more: Phy 101 All Current Mid Term Papers Spring 2013 (25 May 2013 ~ 06 J... http://vustudents.ning.com/group/phy101physics/forum/topics/phy-101...

Here you are a very helpful file.

Short Notes of first 1-22 lectures and +Formulas +mid term solved MCQs with refrences+ subjective solved.

regards,

Need prays

Attachments:

Ali Salman thanks for sharing 

thnx alot :)

Attitude girl welcome 

Attachments:

My Today's Paper 09:00 AM

An object attached to one end of a spring makes 20 vibrations in 10 s. Its angular
frequency is:
► 12.6 rad/s
► 1.57 rad/s
► 2.0 rad/s
► 6.3 rad/s

A 4.0-N puck is traveling at 3.0m/s. It strikes a 8.0-N puck, which is stationary.
The two pucks stick together. Their common final speed is:
► 1.0m/s
► 1.5m/s
► 2.0m/s
► 2.3m/s

An object moving in a circle at constant speed
► must have only one force acting on it
► is not accelerating
► is held to its path by centrifugal force
► has an acceleration of constant magnitude

An object attached to one end of a spring makes 20 vibrations in 10 s. Its
angular
frequency is:
► 12.6 rad/s
► 1.57 rad/s
► 2.0 rad/s
► 6.3 rad/s

Which of the following is a scalar quantity?
A. Speed
B. Velocity
C. Displacement
D. Acceleration

A stone is tied to a 0.50-m string and whirled at a constant speed of
4.0m/s in a vertical circle.
Its acceleration at the top of the circle is:
A. 9.8m/s2,up
B. 9.8m/s2,down
C. 8.0m/s2,down
D. 32m/s2,up

A car rounds a 20-m radius curve at 10m/s. The magnitude of its
acceleration is:
A. 0
B. 0.20m/s2
C. 5.0m/s2

D. 40

Q23. Two people are carrying a uniform wooden board that is 3.00 m long and weighs 160 N. If one person applies an upward force equal to 60 N at one end, at what point does the other person lift? Begin with a free-body diagram of the board.(3)

Q24.

(a) Why a pulse on string is considered to be transverse?

(b) If we shake one end of a taut rope three times each second, what would be the period of sinusoidal wave set up in the rope?

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