Question
A train approaches a stationary observer with a speed of
36 km/h. It emits a sound of frequency 500 Hz. If the speed of sound is 340 m/s, what is the apparent frequency heard by the observer?Solution
The apparent frequency (f′) heard by a stationary observer when a source is moving towards them is given by the Doppler effect formula: 
A Private Company can raise funds in how many ways _____________________
The reasons for employee turnover in an organization can be classified under 3 heads:
(a) Personal causes, (b) Unavoidable causes and (c) Avoidab...
Which of the following best describes the amount by which the carrying amount of an asset exceeds its recoverable amount?
For calculation of House Rent Allowance under Section 10(13A), the salary is to be considered the following, EXCEPT:
Which major factor led to high levels of debt among Indian telecom operators?
A company manufactures two products, A and B. The contribution per unit for A is ₹50 and for B is ₹60. Each unit of A requires 4 machine hours, and ...
Accrual concept of accounting requires:
Who is the regulator of the corporate sector?
SA 315 requires understanding the entity and its environment, including internal control, to identify risks of material misstatement. A new auditor is e...
The term depletion is used in relation to:Â
Relevant for Exams:
