S C Kheterpal, S N Dhawan and, P N Kapil Solutions for Chapter: Structure of Atom, Exercise 7: PROBLEMS FOR PRACTICE

Author:S C Kheterpal, S N Dhawan & P N Kapil

S C Kheterpal Chemistry Solutions for Exercise - S C Kheterpal, S N Dhawan and, P N Kapil Solutions for Chapter: Structure of Atom, Exercise 7: PROBLEMS FOR PRACTICE

Attempt the practice questions on Chapter 2: Structure of Atom, Exercise 7: PROBLEMS FOR PRACTICE with hints and solutions to strengthen your understanding. Pradeep's Chemistry Vol 1 solutions are prepared by Experienced Embibe Experts.

Questions from S C Kheterpal, S N Dhawan and, P N Kapil Solutions for Chapter: Structure of Atom, Exercise 7: PROBLEMS FOR PRACTICE with Hints & Solutions

HARD
11th CBSE
IMPORTANT

The uncertainty in position and velocity of a particle are: 10-10m and 5.27×10-27 m sec-1 respectively. Calculate the mass of the particle h=6.625×10-34Jsec.

MEDIUM
11th CBSE
IMPORTANT

The mass of an electron is 9.11×10-31kg. Calculate the uncertainty in its velocity if the uncertainty in its position is of the order of ±10 pm h=6.6×10-34 kg m2 s-1.

HARD
11th CBSE
IMPORTANT

An electron has a speed of 500 ms-1 with an uncertainty of 0.02%. What is the uncertainty in locating its position? Given mass of electron=9.1×10-31 kg, h=6.6×10-34 Js

MEDIUM
11th CBSE
IMPORTANT

A proton is accelerated to a velocity of 3×107 ms-1. If the velocity can be measured with a precision of ±0.5%, calculate the uncertainty in position of proton h=6.6×10-34Js, mass of proton=1.66×10-27 kg.

MEDIUM
11th CBSE
IMPORTANT

Calculate the uncertainty in the position of a dust particle with mass equal to 1mg if the uncertainty in its velocity is 5.5×10-20ms-1.

HARD
11th CBSE
IMPORTANT

The uncertainty in the momentum of a particle is 2.2×10-4 g cm s-1. With what accuracy can its position be determined? h=6.626×10-27ergs

MEDIUM
11th CBSE
IMPORTANT

Calculate the uncertainty in the velocity of an electron if the uncertainty in its position is 1 or 100pm10-10m.

MEDIUM
11th CBSE
IMPORTANT

What is the minimum uncertainty in the position of a bullet of mass 5g that is known to have a speed somewhere between 550,00000 and 550,00001ms-1?