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परमाणु अवशोषण स्पेक्ट्रोस्कोपी में, निम्नलिखित में से कौन-सा सामान्यत: प्रयोग किया जाने वाला विकिरण स्रोत है?

Which one of the following is NOT correct for characteristics of lime?

इंजन में पॉवर आवेगों को शिथिल करने के लिए प्रयुक्त है–

The focal length of a concave mirror with radius of curvature of 20 cm will be-

सूस-विड (Sous-Vide) क्या है?

A vessel of 4m³ contains an oil which weights 30 kN. The specific weight of this oil is ____

Read the given statements and conclusion carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements. Statements: 1. All squares are rectangles. 2. All rectangles are polygons. Conclusions: I. Square is not a polygon. II. Square is both rectangle and polygon

The refractive indices of ice and glass are 1.31 and 1.52, respectively. A ray of light passes from ice to glass. The refractive index of glass with respect to ice is _____ and the ray bends _____ normal in glass.