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विद्याले विनम्रता दिन्छ, विनम्रताबाट योग्यता आउँछ।

Knowledge gives humility, and humility makes one worthy.

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भौतिक विज्ञान – Physics MCQ

भौतिक विज्ञान – कृषि/वन प्रवेश

Physics · Agriculture, Veterinary & Forestry Entrance · ४२५ प्रश्न

४२५ प्रश्न उपलब्ध। मोड छान्नुहोस्:

भौतिक विज्ञान: प्रश्न र उत्तर

सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।

  1. A body falls freely from a height ‘h’. The velocity of the body just before striking the ground is:

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  2. The potential energy stored in a capacitor with capacitance C and charged to a voltage V is given by:

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  3. A monochromatic light beam is incident on a single slit of width 'd'. The wavelength of light is λ and the angle of diffraction is θ. Which of the following statements correctly relates the two?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  4. The velocity of sound in air at a given temperature is 340 m/s. If a person hears the echo of a shout after throwing a stone, what distance to the reflecting surface has the stone traveled?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  5. A radioactive element has a half-life of 10 years. What fraction of the original amount will remain after 20 years?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  6. Which of the following statements correctly describes the relationship between potential energy (PE) and kinetic energy (KE)?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  7. A particle is moving with a velocity ‘v’ at an angle θ to the horizontal. At a certain instant, its velocity is reduced to ‘v/2’ perpendicular to the initial direction of motion. What was the initial speed ‘v’? (Assume no other forces are acting on the particle.)

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  8. The acceleration due to gravity ‘g’ decreases with increasing altitude. Approximately by what percentage does ‘g’ decrease if a person climbs to an altitude of 1 km above sea level? (Assume g at sea level is 9.8 m/s² and the Earth's radius is approximately 6400 km.)

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  9. The phenomenon of refraction of light occurs when:

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  10. A uniform rod of length L and mass M is placed in equilibrium on a rough horizontal surface. The coefficient of friction between the rod and the surface is μ. What is the force applied horizontally to maintain equilibrium?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।