A 5 kg body experiences force 20 N. Acceleration produced is: MCQ with Answer and Explanation
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Question #1
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The percentage error in the measurement of mass is 1% and speed is 2%. Error in kinetic energy is
Question #2
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Why does food cook faster in a pressure cooker?
Correct Answer: Option B
Explanation:
In an open vessel, water boils at 100°C, and extra heat merely creates steam rather than raising the temperature. A pressure cooker traps steam, increasing the internal pressure above atmospheric pressure. Increased pressure raises the boiling point of water (often to around 120°C). Cooking the food at this higher temperature significantly reduces cooking time.
In an open vessel, water boils at 100°C, and extra heat merely creates steam rather than raising the temperature. A pressure cooker traps steam, increasing the internal pressure above atmospheric pressure. Increased pressure raises the boiling point of water (often to around 120°C). Cooking the food at this higher temperature significantly reduces cooking time.
Question #3
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The temperature of a body is 86°F. What is it in Celsius?
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