Practice question
Question
The ratio of the velocities of an electron in the first orbit of H to the second orbit of He⁺ is: (v₁ for H = 2.19 × 10⁶ m s⁻¹)
Explanation
v₁(H) = 2.19×10⁶. v₂(He⁺) = 2×2.19×10⁶/2 = 2.19×10⁶. Ratio = 1.
We use cookies to improve your experience and understand how Examtube is used. You can accept analytics cookies or continue with essential cookies only.
Privacy policyMCQ
Question
Guides and insights connected to this topic
AIM To prepare a temporary mount of onion root tips to study mitosis. PRINCIPLE Mitosis is a type of equational division where a parent cell divides into two genetically identical daughter cells. It maintains chromosome number and is essential for growth, repair and replacement....
Aim To study and calculate the percentage of pollen germination on a slide. Principle In nature, pollen grains germinate on the compatible stigma of the carpel. This process is called pollen-pistil interaction. It is an essential step in fertilisation of angiosperms which determi...
Understand genotypic ratios, how to calculate them for monohybrid, dihybrid and trihybrid crosses, and why they matter in Mendelian genetics.
Add our app to your home screen for a better experience.
Discussion
Comments
Please log in to join the discussion.
Login to commentNo comments yet. Be the first to start the discussion.