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7/25/2019 Test ch#7 physics pgc.docx
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Punjab group of collegesPhysics part 1 (CH#7)
Time allowed: 40 Minutes Total Marks Sections A and B: 20
Name of candidate________________________ Signature_______________________
NOTE:All parts of this exam are to be answered on the question paper itself. Deleting/overwriting is not allowed. Do not use extra sheet for answer
SECT!N"AEncircle the most suitable answers to all of the following MCQs(Marks 51=5)
n %ooke&s law 'e() k(* 'e( is
7/25/2019 Test ch#7 physics pgc.docx
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Punjab group of collegesPhysics part 1 (CH#7)
a$ uniform +$ ,aria+le c$ instantaneous d$ none of a+o,e
-is.lacement of a +od/* mo,ing in a circle wit angular ,elocit/ 12 rads* at a time #3 s isa$ (2 +$ (52 c$ (532 d$ none of a+o,e
306 An o+7ect of mass 4 kg is dro..ed from a eigt of #0 m onto a s.ring$ 8at is te ma(imum 9$E storedin te s.ring
a$ 4 ; +$ 40 ; c$ 400 ; d$ nsufficient data
8ic of te following for an oscillating o+7ect will not +e
7/25/2019 Test ch#7 physics pgc.docx
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Punjab group of collegesPhysics part 1 (CH#7)
SECT!N"B_____________________________________________________________________________________________________N!TE: Answer A>> .arts from Section B $ no e(tra seet will +e .ro,ided$ 8rite /ou answer neatl/ and legi+l/$
?: 2 8rite sort answers of tese @uestions$ se matematical relations and diagram were needed*=( 3 ) #=6
1. What is meant b !hase angle" #oes it $e%ne angle between ma&imum
$is!lacement an$ the
Total mars !
obtained
7/25/2019 Test ch#7 physics pgc.docx
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Punjab group of collegesPhysics part 1 (CH#7)
#ri'ing force"
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. in$ out the e&!ression of time !erio$ of sim!le !en$ulum"
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Punjab group of collegesPhysics part 1 (CH#7)
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Punjab group of collegesPhysics part 1 (CH#7)
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3. What $o ou know about $am!e$ an$ $ri'en harmonic oscillator"
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4. * ball of mass m is bouncing on a marble +oor regularl. ,f there is nofriction it will kee! on oscillating like mass s!ring sstem(i$eal case).,s it e&ecuting -M"
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5. -how that in -M/ the acceleration is 0ero when the 'elocit is greatest an$ the
'elocit is 0ero when the acceleration is greatest".
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Punjab group of collegesPhysics part 1 (CH#7)
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#est of lu$