Practise All MCQs in Lecturer Physics Past Papers and Syllabus. Attempt multiple-choice questions, check answers and revise related subtopics.
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Answer: 200 mF
Explanation When capacitors are connected in series, the total capacitance (C_total) is given by: 1/C_total = 1/C1 + 1/C2 Given: C1 = 300 mF C2 = 600 mF 1/C_total = 1/300 + 1/600 = (2 + 1) / 600 = 3 / 600 = 1 / 200 C_total = 200 mF
_____ کے دوران ڈیٹا بے ترتیب رسائی میموری (رام) میں محفوظ کیا جاتا ہے؟
Answer: Write operation
Explanation In RAM , data is stored during the write operation , where the processor transfers data to memory locations. The read operation retrieves stored data without modifying it.
Answer: 500m/s
Explanation To calculate the velocity attained by the rocket, we can use the equation: F × t = m × Δv where: F = force applied (5 × 10^5 N) t = time (20 s) m = mass of the rocket (2 × 10^4 kg) Δv = change in velocity (final velocity - initial velocity) Since the rocket starts from rest, the initial velocity is 0. Therefore, Δv = final velocity. Rearranging the equation to solve for Δv, we get: Δv = F × t / m = (5 × 10^5 N) × (20 s) / (2 × 10^4 kg) = 500 m/s
کسی شخص پر ماحول کے ذریعہ فورس کا استعمال _____ ہے؟
Answer: 200000 N
Explanation The atmospheric pressure at sea level is about 101,325 Pa (N/m²) , and the average surface area of a human body is around 2 m² . The total force exerted is: F = P × A = 101 , 325 × 2 ≈ 200 , 000 N This force is balanced by the internal pressure of the body , so we don’t feel it.
پاکستان کے قیام کے وقت کون سا ریڈیو اسٹیشن پہلے سے موجود تھا؟
Answer: Peshawar
Explanation There are the following three radio stations existed at the time of independence of Pakistan on 14 August 1947. 1. Peshawar Radio Station established in 1935 2. Lahore radio station established in 1937 3. Dhaka radio station established in 1939 ****** VU FIA CONSTABLE PAPER 2021
کسی سیارے کے بڑے پیمانے پر اور قطر زمین سے دوگنا ہوتا ہے۔ پینڈولم سیارے کے دوچار ہونے کی مدت ہوگی (اگر یہ زمین پر دوسرا لاکٹ ہے)؟
Answer: 2√2 seconds
Explanation The formula for the period of a pendulum is T = 2π√(l/g) , where l is the length of the pendulum and g is the acceleration due to gravity. Since the mass and diameter are doubled , the acceleration due to gravity (g) on the planet will be half that of Earth. Therefore, the new period of oscillation will be √2 times the period on Earth, meaning if it was a second's pendulum on Earth, it will be 2√2 seconds on the planet.
ہیلیم کی پابند توانائی ______ ہے؟
Answer: 28.2 MeV
Explanation Helium-4 has a binding energy of 28.2 MeV . It is the energy required to separate its nucleons. This high binding energy makes helium-4 one of the most stable nuclei.
Answer: To deal with someone or something that proves unexpectedly troublesome or powerful
Explanation The phrase means encountering a person or situation that is much harder to handle than expected. It originates from military slang, where soldiers mistakenly captured a strong enemy instead of an easy target. Last verified on 22-02-2022
Answer: Conciliatory
Explanation Intransigent means ثابت، سخت، اٹل، کڑا Conciliatory means صلح پسندانہ Harsh means سخت
پہلا ٹی وی اسٹیشن _____ میں پاکستان میں قائم کیا گیا تھا؟
Answer: 1964
Explanation PTV was founded on 26 November 1964. It is the first official t elevision station. PTV started its color transmission in 1976 Additional information PTV started its live transmission on November 26, 1964 On this date, it began its first transmission broadcasts from Lahore, followed by Dhaka. Ayub Khan inaugurated this first official transmission broadcasts A third center was established in Rawalpindi -Islamabad in 1965 The fourth center was established in Karachi in 1966. Aslam Azhar is widely considered to be the "father of Pakistan Television".
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