Related Questions

Which of the following properties of a monitor is is measured is Hertz?
A Speed
B Resolution
C Refresh rate
D Viewable area
What is measured in hertz?
A Frequency
B Energy
C Heat
D Quality
The unit of frequency is the hertz.
A True
B False
Which of the following instruments indicate the instantaneous value of the electrical quantity being measured at the time at which it is being measured ?
A Absolute instruments
B Indicating instruments
C Recording instruments
D Integrating instruments
Pressure difference between two points in vessels, pipelines or in two different pipelines can be measured by a differential manometer. The pressure difference measured as the mm of water coloumn in case of mercury-water, differential manometer is equal to (where, H = difference in height of mercury column in mm).
A H
B 12.6 H
C 13.6 H
D 14.6 H
India's latitudinal and longitudinal extent measured in degrees are almost the same, but its north-south extent measured in km is greater than its east-west extent. This is due to the fact that
A Longitudes are not parallel lines
B The distance between latitudes remains the same but the distance between longitudes is greatest at the Equator and nil at the poles where all longitudes join
C All longitudes with their opposites form great circles
D The earth is not a perfect sphere
একজন ছাত্র পরীক্ষাগারে অভিকর্ষজ ত্বরণের মান 9.88 m/sec2 নির্ণয় করন। অপর দিকে যখন সে 0.01 kg ভরের কোনো বাটখারাকে স্প্রিং নিক্তিতে ঝুলিয়ে দিল তখন 0.0980 N বল দেখাচ্ছে। তার পরীক্ষা অভিকর্ষজ ত্বরণের ত্রুটি নির্ণয় কর।(A student measured the value of acceleration due to gravity in the laboratory as 9.88 m/sec2. On the other hand, when he hanged a mass of 0.01 kg in the spring balance, then he found 0.0980 N force. Calculate the percentage of error in the measured value of the acceleration due to gravity.)
A -0.716%
B -0.102%
C 0.816%
D 0.102%
E -0.916%
The method that can be used to create new properties and also to modify the attributes of existing properties is
A Object.defineProperty()
B Object.defineProperties()
C Both Object.defineProperty() and Object.defineProperties()
D None of the mentioned
The object whose properties are inherited by all instances of the class, and properties whose values are functions behaving like instance methods of the class, is
A Instance object
B Constructor object
C Destructor object
D Prototype object
In case of a computer monitor, which of the following term refers to the sharpness of an image?
A Resolution
B Refresh rate
C Size
D Dot pitch

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