Units, Measurement and Significant Figures

JEE Main Chemistry · Some Basic Concepts of Chemistry · 3 questions, latest first

• Choose the correct statements. Weight of a substance is the amount of matter present in it. Mass is the force exerted by gravity…202529 January, Shift 1 · Q51
• The candela is the luminous intensity, in a given direction, of a source that emits monochromatic radiation of frequency ' A ' ×…20249 April, Shift 2 · Q61
• Which of the following have same number of significant figures? A. 0.00253 B. 1.0003 C. 15.0 D. 163 Choose the correct answer…20238 April, Shift 2 · Q61