Practise All MCQs in Lecturer Physics Past Papers and Syllabus. Attempt multiple-choice questions, check answers and revise related subtopics.
Study All through multiple-choice questions in Lecturer Physics Past Papers and Syllabus. This subtopic contains 342 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
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صوتی لہریں ______ نہیں ہوسکتی ہیں؟
Answer: Polarized
Explanation Sound waves are longitudinal waves , meaning their oscillations occur parallel to the direction of wave propagation . Polarization only occurs in transverse waves , like light, making sound waves incapable of being polarized.
Answer: 1%
Explanation Power in an electric bulb is given by P = I²R . If the current I decreases by 0.5% , then power decreases by (0.5 × 2) = 1% because power depends on the square of current.
مندرجہ ذیل میں سے کس جگہ پر ایک سادہ لاکٹ کی حرکت تیز ہوتی جاتی ہے؟
Answer: Muree
Explanation The motion of a simple pendulum depends on gravitational acceleration ( g ), which increases with higher altitude . Murree is at a higher elevation , so g is slightly higher , making the pendulum move faster.
چونکہ ایک مثالی گیس میں دباؤ میں اضافہ ہوتا ہے جس میں اوسطا سالماتی رفتار _____ ہے؟
Answer: Stays the same
Explanation In an isothermal process , temperature remains constant , and the average molecular speed of an ideal gas depends only on temperature. Since temperature doesn't change , the average molecular speed also remains the same .
ایک انڈکٹر کنڈلی _____ کی طرح ظاہر ہوسکتا ہے؟
Answer: Solenoid
Explanation An inductor coil is typically wound in a helical shape , similar to a solenoid , to generate a magnetic field when current passes through it. Solenoids and inductors both store magnetic energy and follow the same principles of electromagnetic induction .
Answer: Fresh
Explanation Stale means باسی Fresh means تازہ
Answer: About
Explanation " Worried about " is the correct phrase to show concern. It is the standard preposition used with the verb " worried ."
چاند پر خلاباز کی ریڈیو ٹرانسمیشن زمین پر کتنی دیر بعد موصول ہوگی؟ (زمین سے ملین میٹر)۔
Answer: 1.27s
Explanation The distance between the Earth and the Moon is approximately 384,000 kilometers (384 million meters). Using the speed of light (c = 3 × 10⁸ m/s), time = distance/speed = 384 × 10⁶ / 3 × 10⁸ = 1.27 seconds.
غیر مساوی قوتوں کی کم سے کم تعداد کیا ہوگی جس کی رقم صفر کے برابر ہوسکتی ہے؟
Answer: 3
Explanation To achieve a zero resultant force, at least three unequal forces are required to form a closed triangle in vector addition. Two unequal forces cannot cancel each other unless they are equal in magnitude but opposite in direction.
پہلا جوہری پاور پلانٹ (کنپپ) _____ میں پاکستان میں قائم کیا گیا تھا؟
Answer: 1972
Explanation The first nuclear power plant in Pakistan was established in Karachi With the help of Canada KANUPP is Pakistan's first nuclear power plant, inaugurated on November 28, 1972 , with a total gross capacity of 137 MW. while K2 & K3 with the help of China K2 started on 21 May 2021 and has an 1100 MW capacity. K3 is expected to be started in 2022.
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