(a) An element crystallizes in bcc lattice with a cell edge of . The density of the element is . Calculate the molar mass of the element.
(b) What type of semiconductor is obtained when
(i) is doped with In?
(ii) is doped with P?
(a)
(b) (i) semiconductor
(ii) semiconductor
CBSE Class 12 board exams 2025 to have 50% competency-based questions; no change in 10th
CBSE Class 12 board exams 2024 over; expected result date, trends of last 10 years
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