Physics ke paper for class 11th, Schemes and Mind Maps of Physics

Download Physics ke paper for class 11th and more Schemes and Mind Maps Physics in PDF only on Docsity! atten oF seat 2024 apem/CLASS 11 ailfcen erea/PHYSICS Time /AAa: 3 Te Maximum marks /31f&feradat 31h : 70 ferear:- 1. wl vert afta 21 2. Ue pHi 13 aH & fay velo wed we 6 cis Ge SAS BuUVN UL isi aidfed 2] 3. WE wai 4 V6 aH G fey Wea eT Ws Si TN SAH IN UR isin arated 2] 4. Det way 6 OW 12 TH was UT WR 2 ai andied 31 5. US pain 13 G16 & fay velo wed we 3 sin aidfed| 6. US HHI 17 GY 20 TH wdH we we 4 aim ardfed 21 7. Saar ees ud aaifet fea sTET | 8. US PH 6 B 20 4 aaa famed fey ae eI Instructions - 1. All the Questions are compulsory. 2 3 4 5 6 7 8, . Question no 1 to 3 are allotted 6 marks on each question and Imark on thei ub-question. -Question no 4 to 5 are allotted 5 marks on each question and Imark on their sub-question. . Question no. 6 to 12 are allotted 2 marks on each question. : . Question no. 13 to 16 are allotted 3 marks on each questions - Question no. 17 to 20 are allotted 4 marks on each question? ~ . Draw neat and clean diagram if necessary ) . Que Nos. 6 to 19 contain internal options. 1. cet famed ar aaa Afael Choose the-correct option - 6 i) frrafeaad FA wales Hey a Rear sist & fer aicar are Tale ereTr- A) 40° & 50° B) 50° & 75° C) 50° & 60° Dyp4or& 45° i) Among the following, fer which pair of angles of projection will the horizontal range be same — PWT A) 40° & 50%”) 50° & 75° C) 50° & 60°. D) 40° & 45° ii) feafahaa Ae ales gacor A aeq W ac aes so HR F- A) Ast We Teh Tera B) amet aft ca ax ght ast at ge C) Set use WwW Upaare aa a aaa HT D) waren Geta af weet se iii) Which of the following situations involves an external force acting on the object? A) A book placed on the table B) Raindrops falling over a long distance C) A moving car on a straight road with uniform speed D) A ball moving in a circular path with uniform speed iii) frat fs fr fret sree fis a apecdia vara & siceta afd ar eae ad TAS faeafeta@a A a pleat wr defer edt g- a). Boe Heer, b). Tar Fast, cc). Heo sis Fe A)avdb B) b Vac C)avdc D) a, b Vdc Met In considering motion of an object under the gravitational influence of another object which of the following quantities are conserved: (a) Angular momentum (b) Linear momentum (c) Total mechanical energy A) a and b B) b and c C)aandc D) alla, b and c vi) Fae. BSR eT Tet BY A TG, SAT BT \, Fig.1 A)a B) b . c)c D) a, b wdc chet Oe wa v) In the fig.1 a vessel is filled with the water. which point has maximum pressure — A)a B) b C)ec D) a,b and c all have same pressure v) freafetaa A wearericch sara a at ze - A) aa _ BY ater C) aide sa « DD) Sar v) Which of the following is not a thermodynamic state variable A) Pressure ; C) Volume C) Internal energy D) Heat vi) frat saeco A splat stadt afet at ferefta axa 8- a. Fereit deren cant dl & wh de & Gat de oe aie aruet va aoe oar ht aka b. 31 qewatet ae & UR: EUi aie aeaT gSStareT SOT c. feet aata B olst aa ae A) avab B) b Vac C)atdc D) a, b Vac Get Which of the following examples represent periodic motion? (a) Aswimmer completing one (return) trip from one bank of a river to the other and back. (b) A hydrogen molecule rotating about its centre of mass. (c) An arrow released from a bow A) a and b B) b and c C) a and c D) alla, b and c 7. Fret Sas S Taqarqan rst ag Fe pr 2 AHS sea ser Pre ST? 2 A ball is dropped from a height. What will be the velocity of it after 2 second. Hal OR 30 ms? are & deh asa ox afeeltor ae tem ceed UL 50 lex x dor aL wa Bl FT F sees Haat Paar F? Acar moving along a straight highway with speed of 30 ms‘‘is brought to a stop within a distance of 50 m. What is the retardation of the car. 8. feet dia ata A ser Wl ae & aa She WT aT ay AT 3K RH Pa aaa 8? passengers are thrown forward from their seats when a speeding bus stops suddenly. Why? Hal) OR 2 felt ueeg at Set A sie at Gara oT Yer Sl Tare Set eet WL Tee fee fee A SW aati ait atet eter? A stone is being rotated by a string. If the string suddenly @ wed in which direction will the stone move, and why ? 9. CaP seo FAT a CA: 2 What is Poisson’s ratio? 3aal/ OR weir ofaaer fret Hea F? What is hydraulic stress? 10. det ar feeercet ferra fefecl 2 Write Wien’s Displacement Law. 2aT-OR Raat ar efter ferarefearl Write Newton’s law of cooling. 11. search argeate feet fafaei 2 Write Zeroth law of thermodynamics Hzal/ OR vEelsr ua fet wed 8? seh faw rat te Hae racer fafa What is adiabatic process? Write ideal gas state equation. 12. dtat a arorsit Br aa ar dar cafer a dar Ar aie ar elar 8, at sh Tatgex W faesr a faatka gs 4a at Ha h UH He A Gat He ah gael FH arf aaa Fat aaa Ft? Molecules in a gas have speeds of the order of the speed of sound. Yet a gas leaking from a cylinder in a kitchen takes considerable time to diffuse to the other corners of the room. Why? Hwa) OR 2 Sletal Al site afat ar fersa feaneacl Write Dalton’s law of partial pressures. 13. wlvie der fea Hed 2? Yalta at va Hehe a7 A aracer fafaul eae gat w ofa: yl axct aeq a atofrer dar sr fee aie a aren qari F svar al? 3 What is called angular velocity? Write relation between angular velocity and linier velocity. Does the direction of the angular velocity change with the motion for an object rotating about a fixed axis? 3Hual/ OR Sectors fet aed 8? sectors & fore srguil ar Reta fefar aw sew we wit amt va & aftien slat f? What is lever? Write principle of moments for lever and show when the mechanical advantage is grater then one? 14. ga ufea Seerd( hydraulic lift) ar ata fakacl ses aie aver SS orca ear 8? Write the principle of hydraulic lift . How mechanical advantage gets from it 3zat/ OR 3 aet Ft aft weaeth eet ar fea fahael sah area at Ar gq er Maia Ser ar a wire Atfsetl VY Write Stoke’s law about motion in fluid. Derive formula for terminal velocity of a rain drop on the basis of this. Q 15. We stad ae & few sor ar faa Pepa Write Force law for simple harmonic motion. 3 31a OR Ret aad aa aa Peet or shy aietat Salt, eater Sat cer Ha Sat ara HSA Calculate Kinetic energy,potential energy and total energy of a particle in SHM 16. 100 om aaah Fele-as ama wee fig a oRae Bl sah aed duet A ar angie 2.53 kHz @1 tele A cafe Ar art aret Fifsrel 3 A steel rod 100 cm long is clamped at its middle. The fundamental frequency of longitudinal vibrations of the rod are given to be 2.53 kHz. What is the speed of sound in steel? Huai OR ar # a dat ar Ws A aT BUH we WT ER sor WS aa ater aah aa & BRT 6 Hz safer ah faeda ScUeod HK Tel Sl ST A aT cea He Ter w facia At sigiet went 3 Hz TE sHeit Sl Bie A Ar Aer angie 324Hz F ct B ar aigict Fan B? Two sitar strings A and B playing the note ‘Ga’ are slightly out of tune and produce beats of frequency 6 Hz. The tension in the string A is slightly reduced and the beat frequency is found to reduce to 3 Hz. If the original frequency of A is 324 Hz, what is the frequency of B? 17. as amet Sfsat S 30° & Her S ait aS F 3 YE eeraegy W 3 km gy Pct sl wearer aT A Past at FT sae 5 km a Ut aes al Ae Har at AHar F? 4 A bullet is fired with an angle of 30° from horizontal and falls to the ground 3 km away. By adjusting the projection angle, can the target located 5 km away be reached? 3aal/ OR HIS HT t=O W Aet fig S 10] ms! & aay A Toe WNFH AAT F TM XY-aAdaT A UPAATA cA (8.01 +2.0j)ms? A afa Hear Bl fre ator Hor ar X- feraene 16 m ea? Se ary y-feréeren facet Sra? A particle starts from the origin at t = 0s with a velocity of 10] ms and moves in the x-y plane with a constant acceleration of (8.01 +2.0j)ms?. At what time is the x- coordinate of the particle 16 m? What is the y-coordinate of the particle at that time? 18. sacar & aie aeacth cet frat fatacl \%) 4 Write all three Newton’s law of motion. HzaT/ OR Fat ocr aecer weer oe iter ane at aa Dae at @ ores dar Roger an ae ae AH alaaa ue td ya cata His From where does a moving car ona plane circular road obtain centripetal force? Establish the formula for the maximum speed ofthe car on this path. 19. alg asthe aN seh caret ox Aheera EIT 10 m |x SMX kha Vl se Miwa ay Herhet a, Sh SINT Aiea TW SATA sa Set 200 NF at Sey afer faa al As ANT Bist ot face HT ar aa? ighha GANT Ash WT Theta PRT Thar sar? 4 A cyclist comes to a skidding stop in 10 m. During this process, the force on the cycle due to the roathis 200'N and is directly opposed to the motion. How much work does the road do on the cycle? How much work does the cycle do on the road? Huai OR at osorated sett oe, foerat S va A ato Hien ae Gar FT aot HA SUH a ey aw Red él at S gels ce oT VE Geax ar eran S fered Tar set Bl FAT FT Teak va eo AAT aM va et are a ated Tea Seat AY carer HiT Two frictionless inclined paths, one with a steeper slope and the other with a gentler slope, meet at the same point. From the point, a stone is released on each path, each stone sliding downward. Will these stones reach the bottom at the same time and with the same velocity? Explain your answer.