Related Questions

STP-তে একটি আদর্শ গ্যাসকে প্রথমে তার প্রাথমিক আয়তনের এক-তৃতীয়াংশে সংকুচিত করা হয়, এবং তারপর প্রসারিত হতে দেওয়া হয় যতক্ষণ না তার চাপ প্রাথমিক চাপের অর্ধেক হয়। উভয় প্রক্রিয়ায় গ্যাসের তাপমাত্রা স্থির থাকে। যদি গ্যাসের প্রাথমিক অভ্যন্তরীণ শক্তি । হয়ে থাকে তাহলে এর চূড়ান্ত অভ্যন্তরীণ শক্তি কত? (An ideal gas at STP is first compressed to one-third of its initial volume and then allowed to expand until its pressure is half the initial pressure. The temperature of the gas remains constant during both the processes. If the initial internal energy of the gas is U, what is its final internal energy?)
A U/3
B U/2
C U
D 2U/3
A person worksin affirm on monthly salary basis he gets a fixed amount of increment at the end of each year. His monthly salary is Tk. 3500 at the end of 4 th year and Tk. 4250 at the end of 10th yar. what was his initial monthly salary?
A 3125
B 2555
C 25466
D 528555
The price of a rice has increased by 60%. In order to restore to the original price, the new price must be reduced by :
A 33.33%
B 37.50%
C 40%
D None of these
A person takes a loan of Tk. 200 at 5% simple interest. He returns Tk.100 at the end of 1 year. In order to clear his dues at the end of 2 years, he would pay :
A Tk. 115
B Tk. 115.50
C Tk. 105
D Tk. 110
A. __________ mill is a revolving mill divided into two or more sections by perforated partitions in which preliminary grinding takes place at one end and the finishing grinding at the discharge end.
A Compartment
B Tube
C Rod
D Pebble
Which one of the following is used to restore the colour of old oil paintings ?
A Ozone
B Hydrogen peroxide
C Barium peroxide
D Sodium peroxide
While working with MS-DOS, which command is used to restore files that were backed up using the BACKUP command?
A COPY
B DISKCOPY
C RESTORE
D STORE
E None of the above
While working with MS-DOS, which command is used to restore only those files modified since the last backup, from the drive A to the currently logged drive or directory?
A RESTORE A: *.*/S
B RESTORE A: *.*/M
C RESTORE A: *.*/N
D RESTORE A: *.*/L
E None of the above
How do you restore a saved coordinate system?
A restore()
B getback()
C set()
D back()
A computer performs operations by comparing data items and then, depending on the results, follows predetermined course of action. What are such operations called?
A Sequential
B Logical
C Digital
D Physical
E None of the above

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