चिकित्सा शिक्षा आयोग (CEE) आयुर्वेद र होमियोप्याथी (BAMS) तयारी
चिकित्सा शिक्षा आयोग (CEE) – आयुर्वेद र होमियोप्याथी (BAMS)
BAMS Entrance · Medical Education Commission – CEE
२,०३९ प्रश्न उपलब्ध। मोड छान्नुहोस्:
MBBS/BDS/Nursing प्रवेश: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
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Which of the following statements is correct regarding the reaction between hydrochloric acid (HCl) and sodium carbonate (Na₂CO₃)?
सही उत्तर: घ) No reaction occurs as HCl does not react with carbonates.
The reaction between HCl and Na₂CO₃ produces NaCl, water and carbon dioxide. The other options present incorrect products formed from this reaction – calcium chloride (from reacting with Ca), or no reaction at all.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A uniform magnetic field of 0.5 T exists in a direction perpendicular to the plane of a circular coil of radius 10 cm and having 50 turns. If the frequency of the alternating current passing through the coil is 50 Hz, what is the emf induced across the coil?
सही उत्तर: क) 2.5 V
The induced emf in an AC circuit is given by Faraday's Law: ε = -N(dΦ/dt), where N is the number of turns, Φ is magnetic flux and dΦ/dt is the rate of change of magnetic flux. Using this formula with the specified values, we find that the induced emf is 2.5V.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A particle moves with a uniform acceleration of 5 m/s² from rest. After 10 seconds, its velocity becomes 30 m/s. What is the distance covered by the particle in this time?
सही उत्तर: क) 100 m
We can use the equation of motion: s = ut + (1/2)at², where s is the distance, u is the initial velocity (0 m/s), a is acceleration (5 m/s²) and t is time (10 s). Substituting the values, we get s = 0*(10) + (1/2)*5*10² = 250 meters. Option 200m is incorrect as it doesn't compute correctly.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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The power dissipated during the passage of current through a resistance is given by P = I²R. If a current of 2 A flows through a resistance of 10 Ω, what is the power dissipated?
सही उत्तर: क) 10 W
Using the formula P = I²R, we substitute I = 2A and R = 10Ω. Therefore, P = (2)² * 10 = 4 * 10 = 40 W. Option 20W is incorrect because it doesn't accurately compute the power based on the given values.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A car travels at a uniform speed of 60 km/h. It covers a distance of 90 km in t hours. What is the value of t?
सही उत्तर: क) 1.5
We can use the formula: Distance = Speed × Time, so t = Distance / Speed. Therefore, t = 90 km / 60 km/h = 1.5 hours. The other options are incorrect as they do not result in the correct time duration given the distance and speed.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A satellite is revolving around the earth at a distance of 800 km above the surface. If the velocity of the satellite is 8000 km/h, what is its orbital period in hours?
सही उत्तर: क) 240
The orbital period can be calculated using Kepler's Third Law (T² = (4π²/GM)r³). Given the radius (r) and velocity (v), we can find the orbital time. The correct answer is 360 hours, as this represents a reasonable orbital period for a satellite at that altitude and speed. Options 240, 480, and 600 are incorrect because they do not account for the specific parameters provided.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A man walks 8 km east, then turns right (south) and walks 5 km. Finally, he walks 7 km north. What is his net displacement from his starting point?
सही उत्तर: घ) 16 km
The man’s movements can be broken down into components: east (8km), south(5km), and north (7km). The net east-west movement is 8 - 0 = 8km. The net north-south movement is -5+7=2km i.e., two km to the north, so the total displacement is sqrt(8^2 + 2^2) = sqrt(64+4)=sqrt(68)~8.24km which isn't among the options. However a simpler interpretation gives us: he ends up walking East 8 km and North 7km - South 5km, so net North is 2km. Total displacement= sqrt (8^2 + 2^2) =sqrt(64+4)=sqrt(68) ≈8.23km. This question may be based on approximating the distance to the nearest integer which implies that the answer would be 10 or 12 if rounding; however, considering the precise movements and calculating his displacement from the starting point gives approximately sqrt(68). The closest option is a simple misinterpretation as an approximate figure.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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Among five players A, B, C, D and E, we know that A is taller than B, C is shorter than D, E is taller than A, and D is shorter than C. Who is the tallest?
सही उत्तर: क) A
Let's arrange them by height: E > A > B > C > D. Therefore, E is the tallest.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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A is taller than B. C is shorter than B. D is taller than A. E is shorter than C. Who is the shortest?
सही उत्तर: घ) D
The statements can be summarized as: A > B, C < B, D > A, E < C. Combining these inequalities shows that E is the shortest.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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In a certain code, ‘ABC’ is written as ‘DEF’, ‘XYZ’ is written as ‘GHI’. How is ‘PQR’ written in that code?
सही उत्तर: क) STU
This is a simple substitution cipher. Each letter is shifted forward by one position in the alphabet (A->B, B->C,...). Thus PQR becomes STU.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
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।
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