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विद्या ददाति विनयं विनयाद् याति पात्रताम्।

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

सबै विषय जीव विज्ञान रसायन विज्ञान भौतिक विज्ञान अङ्ग्रेजी कृषि र वन सामान्य ज्ञान

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 train traveling at a constant speed of 60 km/h covers a distance of 30 kilometers in 0.5 hours. What is the acceleration of the train?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  2. A body of mass 5 kg falls vertically down from a height of 20 meters. Neglecting air resistance, what is the potential energy lost by the body when it reaches the ground?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  3. Which of the following best describes the concept of ‘inertia’?

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

  4. A uniform wooden block slides down a plane inclined at an angle of 30 degrees to the horizontal with a constant velocity. The coefficient of kinetic friction between the block and the plane is 0.2. What is the angle of inclination of the plane required for the block to slide down with constant velocity?

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  5. Water is used in hot-water bags because: (a) It expands significantly when heated. b) It has a high specific heat capacity. c) Its freezing point is below room temperature. d) It's a good conductor of heat.

    💬 टिप्पणी / गल्ती रिपोर्ट (०)

    टिप्पणी जाँचपछि मात्र देखिन्छ।

  6. Which list arranges electromagnetic radiations in increasing order of wavelength? (a) Gamma rays, X-rays, Ultraviolet rays, Visible light, b) Visible light, Ultraviolet rays, Infrared rays, Microwaves, c) Microwaves, Infrared rays, Visible light, Ultraviolet rays, d) X-rays, Gamma rays, Infrared rays, Microwaves

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

  7. According to Wien's displacement law, as the temperature of a hot body increases, the wavelength of emitted radiation decreases. Which of the following statements best describes this relationship? (a) Higher temperatures result in longer wavelengths. b) Higher temperatures result in shorter wavelengths. c) Temperature has no effect on the wavelength of emitted radiation. d) Wavelength is inversely proportional to temperature squared.

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

  8. The time period of a simple pendulum is given by T = 2π√(L/g), where L is the length and g is the acceleration due to gravity. If the length of a simple pendulum is made four times, its time period becomes: (a) 2π√4g (b) 4π√(L/g) (c) 8π√(L/g) (d) 2π√L

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

  9. A car is traveling at a constant speed of 30 m/s when it encounters a hill. The hill increases the car's speed to 40 m/s. What is the average acceleration of the car during this period?

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    टिप्पणी जाँचपछि मात्र देखिन्छ।

  10. The refractive index of a medium is defined as the ratio of the speed of light in vacuum to the speed of light in that medium. What does this mean?

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    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।