School Olympiads - National Science Olympiad (NSO)

Achievers Section: Advanced Olympiad Lab Investigations question bank (Class 9 & 10 - Advanced Physical & Life Sciences)

Practice 4 free School Olympiads - National Science Olympiad (NSO) Class 9 & 10 - Advanced Physical & Life Sciences - Achievers Section: Advanced Olympiad Lab Investigations questions with answers and step-by-step solutions.

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Q1.

[Achievers Section - 3 Marks]
An object is placed at a distance of $15\text{ cm}$ in front of a concave mirror of focal length $10\text{ cm}$. Which of the following statements correctly describes the nature, magnification and position of the image formed?

(A)

{'key': 'A', 'text': 'Virtual, erect, magnified at 30 cm behind mirror'}

(B)

{'key': 'B', 'text': 'Real, inverted, magnified with $m = -2$ at 30 cm in front of mirror'}

(C)

{'key': 'C', 'text': 'Real, inverted, diminished with $m = -0.5$ at 15 cm'}

(D)

{'key': 'D', 'text': 'Real, erect, magnified with $m = +2$ at 30 cm'}

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Q2.

[Achievers Section - HOTS]
A body of mass $42\text{ kg}$ moves under a constant force of $220\text{ N}$ in a laboratory experiment on Achievers Section: Advanced Olympiad Lab Investigations. What is the acceleration produced in $\text{m/s}^2$?

(A)

{'key': 'A', 'text': '5 m/s²'}

(B)

{'key': 'B', 'text': '10 m/s²'}

(C)

{'key': 'C', 'text': '8 m/s²'}

(D)

{'key': 'D', 'text': '3 m/s²'}

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