Decibel is a unit of ____

A light
B sound
C heat
D electricity

Correct Answer: sound

শব্দ (sound) এর তীব্রতা মাপার একককে বলা হয় ডেসিবল। সাধারণত কথাবার্তায় ৬০ ডেসিবল শব্দ উৎপন্ন হয়। শব্দের তীব্রতা ৮০ ডেসিবলের উপরে হলে সেটা কর্কশ ও বিরক্তিকর শোনায়।
Bissoy MCQ
#তথ্য প্রযুক্তি #United Commercial Bank Ltd (UCB) #United Commercial Bank Ltd - Trainee Officer - 12.09.2014

Related Questions

Complete the following sentence by using the most "appropriate word" given below: Decibel is the ____ of measuring sound "
A unit
B scale
C balance
D way
Decibel is unit of -
A Sound
B Light
C Heat
D Electricity
'Decibel' is a unit to measure __________ .
A Electricity
B Light
C Heat
D Sound
E None
The decibel is a measure of
A Current
B Voltage
C Power
D Power level
The weakest sound that can be heard by a person in a quiet environment is equivalent to __________ decibel.
A 1
B 5
C 10
D 20
Sound above what level (in decibel) is considered hazardous noise pollution?
A 30 dB
B 100 dB
C 80 dB
D 120 dB
The price per unit of a product increases by 25% . The actual Taka increase in the unit price is Tk.1.25. What was the unit price in Taka before the price increase?
A 5
B 7.5
C 6.25
D 8.75
The price per unit of product increased by 25% The actual taka increase in the unit price was Tk. 1.25. What was the unit price in Taka, before the price increase?
A 5.00
B 6.25
C 7.50
D 8.75
The price per unit of product increased by 25% The actual taka increase in the unit price was Tk. 1.25. What was the unit price in Taka , before the price increase?
A 5.00
B 6.25
C 7.50
D 8.75
Based on the information below, how much did a certain telephone call cost? 1. The call lasted 1 minute 27 seconds 2. The cost for the first 30 second unit is Tk. 1.80, call duration more than 30 seconds costs Tk. 0.90 per 30 second unit 3. Any call duration less than 30 seconds is rounded up to the nearest 30-second unit.
A Tk. 1.80
B Tk. 2.61
C Tk. 2.70
D Tk. 3.51

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