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