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उत्तल दर्पण की वक्रता त्रिज्या (R) = 30cm
दर्पण की फोकस दूरी (f) = straight R over 2
दर्पण से बिंब की दूरी (u) = -20cm
बिंब का आकार/ऊँचाई (h) = 5.0cm
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(i)  Limited scope: Arrhenius concept is limited to aqueous medium only. It fails to explain the behavior of acids and bases in a non-aqueous solvent like am
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Electronic structure of oxygen atom is  Leaving out the 4 electrons in the 1s orbitals of two oxygen atoms constituting the molecule (represented as KK), the
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(i) SELECT Wno,Name,Gender FROM Worker    ORDER BY Wno DESC;(ii) SELECT Name FROM Worker     WHERE Gender=’FEMALE;(iii) SELECT Wn
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R = {(a, b) : a ≤ b}
(i) Since (a, a) ∈ R ∀ a ∈ R [∵ a ≤ a ∀ a ∈ R]
∴ R is reflexive.
(ii) (a, b) ∈ R ⇏ (b, a) ∈ R [∵ if a ≤ b. then b ≤ a is not true]
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A drunkard walking in a narrow lane takes 5 steps forward and 3 clicking on this link
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The poet’s parting words signify to her mother some sort of hope. These express some promise and expectation of seeing her mother again. On her return she mi
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यह सही है कि जीवन में मस्ती अर्थात् मजा होना चाहिए क्योंकि इस
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Find CBSE, ICSE State Boards Textbook Solutions of Class 8 to 12 of all subjects. Read NCERT Textbooks Questions and Answers & Find Previous year solved papers.
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a) Distance travelled by the particle = Area under the given graph.                                           = (1/2) × (10 - 0) × 
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Let the ages of A and B be x and y years respectively. Then,D’s age = 2x years and C’s age Clearly, D is older than C 
Thus, we have the following system
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