جب آواز ایک میڈیم سے دوسرے میڈیم میں داخل ہوتی ہے تو کیا تبدیل نہیں ہوتا؟
Explanation
- When sound travels from one medium to another, speed and wavelength change due to the change in the medium's properties.
- Frequency remains constant because it is determined by the source of the sound, not the medium.
Explanation
- "Accomplice" refers to someone who helps another person in committing a crime or conspiracy.
- Accomplice means ساتھی
- It is the most fitting term for someone involved in a conspiracy.
Explanation
- An allele is a different version of a gene found at the same locus (position) on homologous chromosomes.
- Alleles determine variations in traits, such as eye color or blood type.
Explanation
- Lions roar, while bears growl.
- Cats meow, Cows moo, and Elephants trumpet.
Explanation
- In voltammetry, the potential difference (voltage) is controlled and varied while measuring the resulting current.
- This technique helps analyze redox reactions and detect specific ions or compounds in a solution.
Explanation
- My results will lead to future research on the topic.
- میرے نتائج اس موضوع پر مستقبل کی تحقیق کا باعث بنے گا۔
- "Lead to" is the correct phrase meaning to cause or result in something.
- "Research on" is used to specify the topic being studied.
Explanation
- To make a clean breast of means to admit or confess something honestly and completely.
- It is often used when someone reveals a truth they were hiding.
Explanation
- In Self-Reliance, Emerson emphasizes individualism and original thought, rejecting imitation and societal conformity.
- He argues that people should trust their own instincts and avoid blindly following others.
Explanation
- "Knack for" is the correct phrase, meaning a natural skill or talent in something.
- Example: She has a knack for painting beautiful landscapes.
انڈس واٹرس معاہدے پر 19 ستمبر 1960 کو _____ کے ذریعہ دستخط کیے گئے تھے؟
Explanation
- The Indus Waters Treaty, signed on September 19, 1960, between India and Pakistan and brokered by the World Bank.
- It allocates the Western Rivers (Indus, Jhelum, Chenab) to Pakistan and the Eastern Rivers (Ravi, Beas, Sutlej) to India.
- It was signed in Karachi by Pakistan President Ayub Khan, Indian Prime Minister Jawaharlal Nehru, and Mr. W.A.B. Illif.
- The Treaty became effective on April 1, 1960.