आयताचा कर्ण 34 सेमी आहे. त्याची रुंदी 16 सेमी असल्यास, त्याची : (i) लांबी (ii) क्षेत्रफळ शोधा |...

The sides of a triangle are 16 cm, 30 cm and 34 cm respectively. At each vertices, circles of radius 7 cm are drawn. What is the area of the triangle, excluding the portion covered by the sectors of the triangle? ( pi=22/7 ) एक त्रिभुज की भुजाएं क्रमशः 16 सेमी, 30 सेमी तथा 34 सेमी की हैं | प्रत्येक शीर्ष पर 7 सेमी त्रिज्या वाले वृत्त खींचे जाते हैं | वृत्त के खंडो द्वारा घेरे गए भाग को छोड़ कर त्रिभुज का क्षेत्रफल ज्ञात करें |

In an experiment tungsten cathode which has a threshold 2300 Å is irradiated by ultraviolet light of wavelength 1800Å . Calculate (i) Maximum energy of emitted photoelectron and (ii) Work function for tungsten. (Mention both the results in electron-volts) Given Planck's constant h=6.6 xx 10^(-34) joule-sec , leV = 1.6 xx 10^(-19) joule and velocity of light c= 3xx10^(8)m//sec

A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule. The following is an illustration of input and rearrangement. (All number in these questions are two digit numbers) Input : 16 today 32 waiting 21 are 11 people 46 bus 66 long Step I : 16 today 32 waiting 21 11 people 46 bus 66 long are Step II : 16 today 32 waiting 21 people 46 bus 66 long 11 are Step III : 16 today 32 waiting 21 people 46 66 long bus 11 are Step IV : today 32 waiting 21 people 46 66 long 16 bus 11 are Step V: today 32 waiting people 46 66 21 long 16 bus 11 are Step VI : today 32 waiting 46 66 people 21 long 16 bus 11 are Step VII: today waiting 46 66 32 people 21 long 16 bus 11 are Step VIII : waiting 46 66 today 32 people 21 long 16 bus 11 are Step IX : waiting 66, 46 today 32 people 21 long 16 bus 11 are Step X : 66 waiting 46 today 32 people 21 long 16 bus 11 are Step X is the last Step of the arrangement of the above input as the intended arrangement is obtained. Now, answer the questions based on the following input. Input: 23 you 13 wake 81 me 43 before 72 go 34 up The following stands for which step of the rearrangement? you wake 81 43 72 34 up me 23 go 13 before

A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule. The following is an illustration of input and rearrangement. (All number in these questions are two digit numbers) Input : 16 today 32 waiting 21 are 11 people 46 bus 66 long Step I : 16 today 32 waiting 21 11 people 46 bus 66 long are Step II : 16 today 32 waiting 21 people 46 bus 66 long 11 are Step III : 16 today 32 waiting 21 people 46 66 long bus 11 are Step IV : today 32 waiting 21 people 46 66 long 16 bus 11 are Step V: today 32 waiting people 46 66 21 long 16 bus 11 are Step VI : today 32 waiting 46 66 people 21 long 16 bus 11 are Step VII: today waiting 46 66 32 people 21 long 16 bus 11 are Step VIII : waiting 46 66 today 32 people 21 long 16 bus 11 are Step IX : waiting 66, 46 today 32 people 21 long 16 bus 11 are Step X : 66 waiting 46 today 32 people 21 long 16 bus 11 are Step X is the last Step of the arrangement of the above input as the intended arrangement is obtained. Now, answer the questions based on the following input. Input: 23 you 13 wake 81 me 43 before 72 go 34 up Which of the following would be Step II for the above input?

A word and number arrangement machine when given an input line of words and numbers rearranges them following a particular rule. The following is an illustration of input and rearrangement. (All number in these questions are two digit numbers) Input : 16 today 32 waiting 21 are 11 people 46 bus 66 long Step I : 16 today 32 waiting 21 11 people 46 bus 66 long are Step II : 16 today 32 waiting 21 people 46 bus 66 long 11 are Step III : 16 today 32 waiting 21 people 46 66 long bus 11 are Step IV : today 32 waiting 21 people 46 66 long 16 bus 11 are Step V: today 32 waiting people 46 66 21 long 16 bus 11 are Step VI : today 32 waiting 46 66 people 21 long 16 bus 11 are Step VII: today waiting 46 66 32 people 21 long 16 bus 11 are Step VIII : waiting 46 66 today 32 people 21 long 16 bus 11 are Step IX : waiting 66, 46 today 32 people 21 long 16 bus 11 are Step X : 66 waiting 46 today 32 people 21 long 16 bus 11 are Step X is the last Step of the arrangement of the above input as the intended arrangement is obtained. Now, answer the questions based on the following input. Input: 23 you 13 wake 81 me 43 before 72 go 34 up Which of these words/ numbers would be fourth (from left side) in step IV for the input

For the data at 298 K (i) 2NO_2(g) hArr N_2(g) +2O_2(g) , K=6.7xx10^(16) "mol L"^(-1) (ii) 2NO(g) hArr N_2(g) +O_2(g) , K=2.2xx10^30 "mol L"^(-1) (iii) 2N_2O (g) hArr 2N_2(g) + O_2(g), K=3.5xx10^23 "mol L"^(-1) (iv) 2N_2O_5(g) hArr 2N_2(g) + 5O_2(g) , K=1.2xx10^34 "mol"^5 L^(-5) Suggest the most stable and the least oxide of nitrogen .

(i) Solve the equation |{:(x-2,2x-3,3x-4),(x-4,2x-9,3x-16),(x-8,2x-27,2x-64):}|=0 (ii) Prove that x = 1 is a root of the equation (ii) Prove that x=1 is a root of the following equation |{:(x+1,3,5),(2,x+2,5),(2,3,x+4):}|=0 Also find the remaining roots. (iii) If a+b+c=0 then solve |{:(a-x,c,b),(c,b-x,a),(v,a,c-x):}|=0 (iv) Solve |{:(6-x,3,3),(3,4-x,5),(3,5,4-5):}|=0

The sulphide ion concentration [S^(2-)] in saturated H_(2)S solution is 1xx10^(-22) . Which of the following sulphides should be quantitavely precipitated by H_(2)S in the presence of dil. HCl ? {:("Sulphide",,"Solubility Product"),((I),,1.4xx10^(16)),((II),,1.2xx10^(-22)),((III),,8.2xx10^(-46)),((IV),,5.0xx10^(-34)):}