The number of waves in n x 10th Bohr's orbit are

Options: n2,    n,    n-2,    n3


More Chemistry Related questions:

0.In Microsoft PowerPoint after moving a clip art image to a particular location on the slide, you can immediately reverse the action using the
Options: (A)Click the not do move object command on the edit menu (B) Click on the undo button (C) Click on redo button (D) All of above 12

Ans:120. (B),120. (B)

7.In Excel worksheet range is a
Options: (A)A command used for data modeling (B) A range of values such as from 23 to 234 (C) A group of cells (D) A group of worksheets 5

Ans:57. (C),57. (C)

The phosphate are a group of minerals of one or more metallic elements chemically associated with the phosphate compound ____
Options: PO4,    PO3,    PO2,    PO


The two main components of the CPU is
Options: Control unit and registers,    Control unit and ALU,    Registers and main memory,    ALU and bus

Ans:B ,B

Devaluation of currency will be more beneficial if
Options: prices of domestic goods remain constant,    prices of exports remain constant,    prices of imports remains constant,    prices of exports rise proportionately


Any piece of equipment forming an interface to a data communication system is
Options: DTE,    DTA,    CSA,    DCA

Ans:B ,B

Where a row and a column meet, what do you call that?
Options: A cell B. A block C. A box D. None of the above

Ans:– A ,

What X-based tool is available for configuring the X Window system?
Options: XConfigurator,    XF86Setup,    xf86config,    All of the above

Ans:B ,B

The memory allocation scheme subject to "external" fragmentation is
Options: segmentation,    swapping,    pure demand paging,    multiple contiguous fixed partitions

Ans:A ,A

0.Which of the following is not true of a magnetic disk?
Options: (A)Users can update records by writing over the old data (B) It provides sequential access to stored data (C) It is slow relative to magnetic tape (D) All of the above are true 13

Ans:130. (B),130. (B)

945. praarthana samaaj kee sthaapana kisane kee?
Options: NA

Ans: aatmaaraam paandoorang, aatmaaraam paandoorang

The term 'Caddle' is associates with which sports?
Options: Golf,    Billiards,    Polo,    Bridge


Business Intelligence (BI) reporting systems cannot do which of the following operations?
Options: Filter data,    Group data,    Modify data,    Both filter and group data

Ans:C ,C

Placenta is the structure formed
Options: by the union of foetal and uterine tissue,    by foetus only,    by fusion of germ layers,    None of these


An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is
Options: 1200 m,    0.33 km,    3.33 km,    33 km


Your modem does not respond when you try to dial out. You try another modem on another computer and get the same result. What is the most likely problem?
Options: defective modem,    defective computer,    software bug,    bad phone line

Ans:D ,D

207. redakros ke sansthaapak kaun hain ?
Options: NA

Ans: henaree doonaant , henaree doonaant

According to CNN, how much did Internet traffic increase between 1994 and 1996?
Options: Two times,    Five times,    Ten times,    Twenty-five times


0.In Microsoft PowerPoint the following are types of sound files
Options: (A)LOG files (B) DAT files (C) WAV files (D) DRV files 54 | 17

Ans:170. (C),170. (C)

. what term describes a background that appears as a grainy, non smooth surface
Options: a. gradient b. pattern c. solid d. texture

Ans:– a,– a

You can use the horizontal and vertical scroll bars to
Options: a. Split a worksheet into two panes b. View different rows and columns edit the contents of a cell c. Edit the contents of a cell d. view different worksheets

Ans:#8211; b,#8211; b

Which batsman started his international cricketing career at the age of 16?
Options: Suresh Raina,    Sachin Tendulkar,    Piyush Chawla,    Rahul Dravid


The storage of computer programs and data files are the responsibility of a
Options: librarian,    computer operator,    Data entry operator,    programmer

Ans:A ,A

5.A method of using a communication channel in which signals can be transmitted between a source and a destination in both directions simultaneously is called
Options: (A)Full duplex (B) Half duplex (C) Quarter duplex (D) None of these 7

Ans:75. (A),75. (A)

Aggregation is which of the following?
Options: Expresses a part-of relationship and is a stronger form of an association relationship.,    Expresses a part-of relationship and is a weaker form of an association relationship.,    Expresses an is-a relationship and is a stronger form of an association relationship.,    Expresses an is-a relationship and is a weaker form of an association relationship.

Ans:A ,A

. A _____ is a collection of predefined design elements and color schemes.
Options: a. feature b. hyperlink c. palette d. theme

Ans:– D,– D

Integrated Circuits (Ics) are related to which generation of computers?
Options: A) First generation B) Second generation C) Third generation D) Fourth generation


Devaluation of a currency means
Options: reduction in the value of a currency vis-a-vis major internationally traded currencies,    permitting the currency to seek its worth in the international market,    fixing the value of the currency in conjunction with the movement in the value of a basket of pre-determined currencies,    fixing the value of currency in multilateral consultation with the IMF, the World Bank and major trading partners


A number of related records that are treated as a unit is called
Options: file,    field,    data,    batch

Ans:A ,A

. In copy con command, con stands for what?
Options: a. Control b. Console c. Contrast d. Contents

Ans:3 – b ,3 – b

First Indian to make a speech in Hindi before the UN General Assembly is
Options: Moraji Desai,    A.B. Vajpayee,    Lal Bahadur Shastri,    Lal Krishna Advani


7.How can you quickly reinstate a deleted footer placeholder in master view?
Options: (A)Create a new slide master (B) Re-apply the footer placeholder (C) Re-apply the slide layout (D) All of the above 10

Ans:107. (B),107. (B)

who wrote Pathar Rajgoshna
Options: jagat singh, vijay chand, heera chand, Ashok


Which type of entity represents an actual occurrence of an associated generalized entity?
Options: Supertype entity,    Subtype entity,    Archetype entity,    Instance entity

Ans:D ,D

The 34-pin connection on an I/O card is for?
Options: Floppy drive,    SCSI drive,    IDE drive,    Zip drive

Ans:A ,A

Which of the following is true regarding VTP?
Options: All switches are VTP servers by default.,    All switches are VTP transparent by default.,    VTP is on by default with a domain name of Cisco on all Cisco switches.,    All switches are VTP clients by default.

Ans:A ,A

Any storage device added to a computer beyond the immediately usable main storage is known as
Options: Floppy disk,    Hard disk,    Backing store,    Punched card


4.A physical item is one which may be delivered or performed
Options: (A)entirely through a telecommunications network (B) involves logistical activities such as the transportation of goods, or of the person and/or facilities whereby the service will be performed 1

Ans:14. (B),14. (B)

157. The arranging of data in a logical sequence is called
Options: (A) Sorting (B) Classifying (C) Reproducing (D) Summarizing

Ans:157. (A),157. (A)

The major ingredient of leather is
Options: collagen,    carbohydrate,    polymer,    nucleic acid


Options: (A)Extent to which a system or component performs a broad range of functions. (B) The objective of an organization to achieve. (C) Methods and techniques for converting data to or from graphic display via computers. (D) None of these 21

Ans:211. (C),211. (C)

Which utility is useful for finding the local host name?
Options: NBTSTAT,    Netstat,    PING,    Hostname

Ans:D ,D

Pigmentation of skin is due to
Options: lymphocytes,    monocytes,    leucocytes,    melanocytes


7.In Excel A certain spreadsheet shows in Page Break Preview that cells in Rows 1-25 have white background. The cells in row 26 that contain data have a dark grey background, when you click the Print button
Options: (A)nothing will print because some cells with data have been omitted (B) only the cells with gray background will print (C) the whole sheet will print (D) only the cells with white background will print 11

Ans:117. (D),117. (D)

Since 1983, the RBI's responsibility with respect to regional rural banks was transferred to
Options: ARDC,    SBI,    NABARD,    PACs


Instead of counting with binary numbers, a ring counter uses words that have a single high _____
Options: bytes,    bit,    gate,    chip

Ans:B ,B

. Which of the following is not electro-mechanical computer?
Options: A) Mark I B) ABC C) Zuse D) UNIVAC


In which city the Asian Games first took place?
Options: Hong kong,    Tokyo,    New delhi,    Kuala Lampur


The 'Dronacharya Award' is given to...?
Options: Sportsmen,    Coaches,    Umpires,    Sports Editors


_____ is the fastest logic family; it's used in high-speed applications.
Options: DTL,    TTL,    ECL,    MOS

Ans:C ,C