annual q paper class 11th

7/21/2019 Annual q Paper Class 11th

http://slidepdf.com/reader/full/annual-q-paper-class-11th 1/2

Physics, I st year 

 Naidu Science College,

TIME-3HR FM-7

!"# $ns%er $ll &uestions !" ' "("#

!i# )rite do%n the di*ension o+ olt*ann constant

!a# .T-"/ !0# .M"12T-2 -"/ !c# .M"12T-2$-"/ !d#.M"12T-2 -"/

!ii# )hat is the length o+ a second4s 5endulu*6"* !0# "3c* !c#"c* !d#"" *

!iii#)hat is the distance 0et%een a node and an antinode6

8 !0# 82 !c# 89 !d# 8:!i;# I+ the rise o+ height in t%o ca5illary tu0es is :<:c* and 2<2 c*, then the ratio o+ the +irst to second tu0e is

!a# "=" !0# 3=" !c# "=3 !d# 2="

!;# $ closed 0ottle containing %ater at 3C is carried to the *oon sur+ace in a s5ace shi5< )hat %ill ha55en to the

%ater i+ the lid is o5ened on the *oon sur+ace6

!a# )ater %ill 0oil !0# nothing %ill ha55en !c# %ater %ill deco*5ose !d# %ater %ill +reee<

!;i# Centri5etal +orce ;aries in;ersely as the >>>>>>>>>>>>o+ ti*e 5eriod o+ rotation<!a# S?uare !0# Cu0e!d# S?uare root !d# In;erse<

!;ii# The <E o+ a 2 @g *ass and a 9 @g *ass is the sa*e< )hat is the ratio o+ the ;olu*e o+ 9@g *ass to that o+ 2 @g

*ass<

!a# A !0# √ 2   !c# 2 !d# "   √ 2

!;iii# )hat is the angle 0et%een ;elocity and acceleration o+ a 5roBectile at its highest 5oint,

!a# !0# " !c# D !d#:

!i# Con;ert "2 F to el;in<!a# 2D7 !0# 27 !c# 2D @ !d# 2D7  

!# )hat is the angular ;elocity o+ hour hand o+ a cloc@ in radsec<

!a#

π 

3600 !0#

2π 

3600   !c#

π 

1800 !d#

π 

60

!2# $ns%er all !" ' "#

!i# )hat is the 5ressure inside a soa5 0u00le in co*5arison to a li?uid dro56

!ii# nder %hat condition A . B=0

!iii# $ Cyclist is *o;ing %ith a ;elocity G;4 turns along a circular 5ath o+ radius Gr4 < His inclination %ith the

;ertical is gi;en 0y >>>>>>>>>>>><

!i;# Ho% do trees dra% %ater +ro* ground 6!;# $ccelaration o+ a 0ody is gi;en 0y the slo% o+ the 5osition-ti*e gra5h ! change the underlined %ord i+

necessary#<

!;i# $ction and reaction >>>>>>>>>>>>>>>>>>>act on sa*e 0ody<!;ii# Conce5t o+ te*5erature +ollo% +ro* >>>>>>>>>>la% o+ ther*odyna*ics<

!;iii# $ngle o+ constant +or %ater glass 5air is acute< !change the underlined %ord i+ necessary#

!i# Ho% does ;elocity o+ sound in a air ;ary %ith 5ressure6

!# )hat is the unit and di*ension o+ ther*al conducti;ity 6

7/21/2019 Annual q Paper Class 11th

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!3# $ns%er any Fi;e !2 ' ("#

!i# a 0all is thro%n ;ertically u5%ards, dra% its height-ti*e and ;elocity ti*e gra5h<

!ii# $t %hat angle A +B

 and A −B

 act so that their resultant is √ 3 A 2+B2

!iii# $ +orce o+ 7N acts on a 0ody +or " *in< %hat is the change in *o*entu* 5roduced in the 0ody6

!i;# $ ;ery hea;y 0ody *o;ing %ith a ;elocity "*s *a@es a head on collision %ith a ;ery light 0ody atrest< Treating the collision elastic, +ind the ;elocities o+ the t%o a+ter collision<

!;# Je+ine angle o+ re5ose and sho% that it is e?ual to angle o+ +riction<

!;i# )hat is the signi+icance o+ Reynold4s nu*0er6!;ii# Ho% does the 5rinci5le ernoulli4s e?uation, e5lain the li+t o+ an air5lane 6

(viii) $ 5article is 5roBected %ith ;elocity Gu4 at an angle o+ 9 %ith the horiontal< %hat )I11 E ITS