ध्वनि - L5 | ध्वनि परिसर | सोनार | कक्षा 9 NCERT विज्ञान | Chapter 12 | Ruchi Mam

In a laboratory five convex tenses L_1, L_2, L_3, L_4 and L_5 of focal lengths, 3 cm, 6 cm, 9 cm, 12 cm and 18 cm respectively are available. If two of these lenses form a telescope of length 12 cm and magnifying power 3, then objective and eye piece lenses respectively are

There are twelve friends A, B, C, D, E, F, G, H, I, J, K and L who invested money in some business in the ratio of 1 : 2 : 3 : 4: 5 : 6 : 7 : 8 : 9 : 10 : 11 : 12 and the duration for which they invested the money is in the ratio of 12 : 11 : 10 : 9 : 8 : 7 : 6 : 5 : 4 : 3 : 2 : 1 respectively. Who will get the maximum profit at the end of the year ?

In this question, a word is is represented conclusion II follows by only one set of numbers as given in any one of the alternatives .The sets of numbers give in the the alternative are represented by two Classes of alphabets as in two matrices given below. The columns and rows of Matrix I are numbered from 0 to 4 and that of Matrix ll are numbered from 5 to 9. A letter from these matrices can be represented first by its row and next by its column , e.g. , 'L' can be represented by 12, 24 etc and 'R' can be represented by 55 , 67 etc . Similarly you have to identify the set for the word 'SENT'

12.17. Ho en DE Fig -80 m 60 m Fig. 12.14 4800 m x 160x60 m EXERCISE 12.2 has 900, AB 9 m, Bc L Apark in the shape of a quadrilateral occupy? CD m and 8 m. How much area does it AB 2 Find the area of a quadrilateral ABCD in which 4 cm, CD 1 Radha made a picture of an aeroplane with coloured paper as shown in Fig 12.15 A floral desig the total area of the paper used. which are tri being 9 cm, 2 Find the cost 5cm. of 50 per cm

Direction: Study the following information carefully and answer the given questions. A word and number arrangement device when given an input line of words and numbers rearranges them following a particular pattern in each step. The following is an illustration of input and rearrangement (All the numbers are two-digit numbers). Input: dubai is the business hub for middle east Step I: business dubai east for hub is middle the Step II: 16S19 10A9 8S20 6O18 6U2 4I19 12L5 6H5 Step III: 3T 1B 12T 12P 4V 15J 7M 1I Step IV: CT AB LT LP DV OJ GM AI Step V: 2A 9A 20C 22D 13G 16L 20L 10O And Step V is the last step of the above input, as the desired arrangement is obtained. As per the logic followed in the above steps, find out in each of the following questions the appropriate step for the given input. (All the numbers are two-digit numbers) Input: virus is the vital information recourse under siege Which of the given options is second from the left in third step?

Direction: Study the following information carefully and answer the given questions. A word and number arrangement device when given an input line of words and numbers rearranges them following a particular pattern in each step. The following is an illustration of input and rearrangement (All the numbers are two-digit numbers). Input: dubai is the business hub for middle east Step I: business dubai east for hub is middle the Step II: 16S19 10A9 8S20 6O18 6U2 4I19 12L5 6H5 Step III: 3T 1B 12T 12P 4V 15J 7M 1I Step IV: CT AB LT LP DV OJ GM AI Step V: 2A 9A 20C 22D 13G 16L 20L 10O And Step V is the last step of the above input, as the desired arrangement is obtained. As per the logic followed in the above steps, find out in each of the following questions the appropriate step for the given input. (All the numbers are two-digit numbers) Input: virus is the vital information recourse under siege Which of the given option is third from the right end in fourth step?

{:(A , B , C , D , E , F , G , H , I , J , K , L , M , N , O , P , Q , R ,S , T ,U , V , W ,X , Y , Z), (1 ,2 , 3 , 4 ,5, 6 , 7,8,9,10 , 11 , 12, 13, 14, 15 , 16 , 17 , 18 , 19, 20 , 21 ,22 , 23 , 24 , 25 , 26):} JLNP: OMKI :: SUWY:?

{:(A , B , C , D , E , F , G , H , I , J , K , L , M , N , O , P , Q , R ,S , T ,U , V , W ,X , Y , Z), (1 ,2 , 3 , 4 ,5, 6 , 7,8,9,10 , 11 , 12, 13, 14, 15 , 16 , 17 , 18 , 19, 20 , 21 ,22 , 23 , 24 , 25 , 26):} ?: ALKLO :: WOULD: TLRIA