(b) the minimum wavelength of X-rays produced by 30 kV electrons. 2. The photoelectric cut-off voltage in a certain experiment is 1.5 V. What is the maximum kinetic energy of photoelectrons ...

Download CBSE Class 9 Science Assertion and Reasoning Questions PDF for Biology (Tissues), Physics, and Chemistry. Get ...

The Central Board of Secondary Education (CBSE) announced the 2025 Class 12 board exam dates. The Chemistry exam, known for its challenging syllabus, is scheduled for February 27th. While the exam ...

Some notable products support Matter as of today, although dozens more are expected to add the functionality in the coming months. For now, here are the 11 best smart home products that support ...

You can create a release to package software, along with release notes and links to binary files, for other people to use. Learn more about releases in our docs.

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Step into our online science lab and learn more about states of matter. Interact with the activity to see what happens when different substances change state. There are three main states of matter ...

The interactive activity on this page is designed to visualise the states of matter and what happens when substances change state. You can use it to help your revision. There are three main states ...

Jan. 30, 2025 — A research group has developed new advanced light-controlled tools that enable precise control of proteins in real time in living cells. This groundbreaking research opens doors ...

The Royal Society of Chemistry has agreed a new three-year Open Access publishing agreement with Couperin, a consortium of French Higher Education and Research establishments.

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