FIITJEE Physics Quiz - Radioactive Decay
30 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to Lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the initial number of nuclei of B?

  • N0 (correct)
  • 2N0
  • 4N0
  • 3N0

In which direction is the electric field E directed?

  • Vertically up (correct)
  • Horizontally to the right
  • Downwards
  • Inside the plane of the paper

What is the angle at which the bob is released at rest?

  • 60⁰ (correct)
  • 45⁰
  • 90⁰
  • 30⁰

What is the direction of the magnetic field B?

<p>Directed inside the plane of the paper (B)</p> Signup and view all the answers

At time t = t0, what happens to the number of nuclei of B?

<p>Stop changing (B)</p> Signup and view all the answers

What is the pivot point of the light string?

<p>Point O (D)</p> Signup and view all the answers

What is the maximum height attained by the hollow sphere?

<p>v2 / g (B)</p> Signup and view all the answers

What is the time taken to reach the maximum height for the ring?

<p>2v / g sin θ (B)</p> Signup and view all the answers

What is the maximum height attained by the solid sphere?

<p>7v 2 / 10g (D)</p> Signup and view all the answers

What is the time taken to reach the maximum height for the disc?

<p>3v / 2g sin θ (B)</p> Signup and view all the answers

Which object attains a maximum height of 3v 2 / 4g?

<p>Disc (A)</p> Signup and view all the answers

What is the maximum height attained by the object with the angle of incline θ?

<p>2v sin θ / g (C)</p> Signup and view all the answers

What occurs when the total mechanical energy is maximum?

<p>The combination is (III)(iv)(P) (D)</p> Signup and view all the answers

Where does the maximum friction act between the body and the incline?

<p>The combination is (III)(iv)(S) (A)</p> Signup and view all the answers

What is the direction of the magnetic field in the square frame of wire?

<p>Perpendicular to the frame (D)</p> Signup and view all the answers

What is the value of 'n' in the equation for the charge on the capacitor?

<p>3 (A)</p> Signup and view all the answers

What is the radius of curvature of the concave mirror?

<p>0.5 m (B)</p> Signup and view all the answers

What is the height of the point light source above the set-up?

<p>0.3 m (A)</p> Signup and view all the answers

What is the acceleration of the electron due to the electric field?

<p>eE/m (A)</p> Signup and view all the answers

What is the velocity component of the electron parallel to the plates?

<p>v0 (B)</p> Signup and view all the answers

What is the angular deviation of the electron from its initial direction of motion?

<p>tan^-1(vy/v0) (A)</p> Signup and view all the answers

What is the time taken by the electron to cross the electric field?

<p>l/v0 (C)</p> Signup and view all the answers

What is the pitch of the helical path of the electron?

<p>2eBV/πm (A)</p> Signup and view all the answers

What is the value of the pitch of the helical path of the electron in millimeters?

<p>9 mm (C)</p> Signup and view all the answers

Which of the following statements about the compound HO OH H OH H CH2OH OH H is true?

<p>It can reduce Tollen's reagent (A)</p> Signup and view all the answers

What is the result of treating oxime of compound Cl with H2SO4/Δ?

<p>A compound P, which on hydrolysis produces Q and R (A)</p> Signup and view all the answers

What is true about R?

<p>It gives brisk effervescence of CO2 with aqueous NaHCO3 (B)</p> Signup and view all the answers

What is Q?

<p>An aliphatic primary amine (A)</p> Signup and view all the answers

What happens when Q is subjected to Hofmann exhaustive methylation?

<p>It produces a compound that has very high solubility in water (B)</p> Signup and view all the answers

What is the result of reacting Q with CHCl3/NaOH?

<p>It produces a foul-smelling compound (A)</p> Signup and view all the answers

More Like This

Use Quizgecko on...
Browser
Open
Browser
Browser