Grade 11 Quizzes, Questions & Answers
Recent Grade 11 Quizzes
This assessment focuses on half-life reasoning problems, evaluating your ability to understand and apply concepts related to radioactive decay and exponential decay processes. It is essential for learners in chemistry and...
Questions: 20 | Attempts: 15 | Last updated: Mar 9, 2026
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Sample QuestionIf an isotope’s half-life is 6 hours, after 18 hours the remaining fraction is:
This assessment focuses on the principles of the Second Law of Thermodynamics as applied to heat engines. It evaluates understanding of engine efficiency, entropy, and energy conversion. Learners will deepen their grasp of how...
Questions: 20 | Attempts: 13 | Last updated: Mar 8, 2026
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Sample QuestionA heat engine must operate between:
This assessment focuses on the Second Law of Thermodynamics as it applies to refrigerators and heat pumps. It evaluates understanding of energy transfer, efficiency, and the principles governing refrigeration cycles. This...
Questions: 20 | Attempts: 10 | Last updated: Mar 8, 2026
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Sample QuestionA refrigerator is best described as a device that:
This assessment explores the applications of photoelectricity, evaluating understanding of key concepts like photon energy, electron emission, and real-world uses in technology. It is essential for learners aiming to grasp the...
Questions: 20 | Attempts: 10 | Last updated: Mar 8, 2026
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Sample QuestionA solar cell works by converting: ____
This assessment focuses on the stopping potential and threshold frequency in the context of the photoelectric effect. It evaluates understanding of key concepts such as the relationship between electron charge and kinetic energy,...
Questions: 20 | Attempts: 10 | Last updated: Mar 8, 2026
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Sample QuestionThe stopping potential is the voltage needed to:
This assessment focuses on calculations related to photon energy and work functions, evaluating your understanding of key concepts in quantum physics. Learners will apply formulas to determine energy values and work functions,...
Questions: 20 | Attempts: 10 | Last updated: Mar 8, 2026
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Sample QuestionPhoton energy increases when:
This assessment explores key concepts in vision and perception, evaluating your understanding of how we interpret visual information. It covers topics such as depth perception, color recognition, and visual illusions, making it...
Questions: 20 | Attempts: 19 | Last updated: Mar 8, 2026
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Sample QuestionVision is not just the eye; perception depends heavily on the: ____
This assessment explores various laser types and their everyday applications. It evaluates understanding of fundamental concepts in laser technology, including principles of operation, safety, and real-world uses. Engaging with...
Questions: 20 | Attempts: 13 | Last updated: Mar 8, 2026
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Sample QuestionA common laser in electronics (pointers, optical drives) is a:
This assessment focuses on the principles of fiber optics, including critical angles, splicing, and total internal reflection. It evaluates understanding of core-cladding relationships and fundamental concepts essential for...
Questions: 20 | Attempts: 10 | Last updated: Mar 8, 2026
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Sample QuestionThe core-cladding design works best when:
This assessment focuses on quantifying dispersion in optics, evaluating key concepts such as the relationship between abbe number and dispersion, the spatial separation of wavelengths in spectroscopy, and the differences in...
Questions: 20 | Attempts: 15 | Last updated: Mar 7, 2026
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Sample QuestionA material is "more dispersive" if:
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