On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because

Options: metals have higher thermal capacity than plastics,    plastics have a lower density than metals,    metals are good conductor of heat,    plastics have a higher thermal conductivity than metals


More physics Related questions:

Which is a secondary memory device?
Options: CPU,    ALU,    Floppy disk,    Mouse

Ans:C ,C

Butter is a colloid formed when
Options: NA

Ans:Water is dispersed in fat.,Water is dispersed in fat.

What command is used to stop RIP routing updates from exiting out an interface but still allow the interface to receive RIP route updates?
Options: Router(config-if)# no routing,    Router(config-if)# passive-interface,    Router(config-router)# passive-interface s0,    Router(config-router)# no routing updates

Ans:C ,C

Which of the following columns is(are) are required in a table?
Options: A foreign key,    An alternate key,    A primary key,    A surrogate key.

Ans:C ,C

7.Following is not true for magnetic tape
Options: (A)low cost (B) direct-access storage medium (C) compact and portable (D) highly reliable 12

Ans:127. (B),127. (B)

The process of capture of precipitation by the plant canopy and its subsequent return to the atmosphere is called
Options: sublimation,    stem flow,    interception,    through fall


A systems programming language for microcomputers in the Intel family is
Options: PL/C,    PL/CT,    PL/M,    PLA

Ans:C ,C

The number of electrons presents in H+ is
Options: zero,    one,    two,    three


28. svaamee dayaanand sarasvatee ka mool naam kya tha ?
Options: NA

Ans:moolashankar ,moolashankar

prakaash ke apavartan ke kaaran
Options: NA

Ans:  ,  

627. gautam buddh ka janm kahaan hua?
Options: NA

Ans: lumbinee jo nepaal mein hai, lumbinee jo nepaal mein hai

Options: NA

Ans: 764. shak sanvat ko raashtreey panchaang ke roop mein kab apanaaya gaya?, 764. shak sanvat ko raashtreey panchaang ke roop mein kab apanaaya gaya?

Software that's loaded into a computer primary storage area is known as
Options: Memory-resident package,    File management system,    Electronic spread sheet program,    Utilities

Ans:A ,A

Gross domestic capital formation is defined as
Options: flow of expenditure devoted to increased or maintaining of the capital stock,    expenditure incurred on physical assets only,    production exceeding demand,    net addition to stock after depreciation


.Arrays are best data structures
Options: A)for relatively permanent collections of data b.for the size of the structure and the data in the structure are constantly changing c.for both of above situation d.for none of above situation


One of the following is not considered a method of input control in a CAD system.
Options: Joystick,    Programmable function box,    Plotter,    Touch terminal

Ans:C ,C

What happens if you select first and second slide and then click on New Slide button on toolbar?
Options: a. A new slide is inserted as first slide in presentation b. A new slide is inserted as second slide in presentation c. A new slide is inserted as third slide in presentation d. None of above

Ans: – C , – C

bhagat sinh
Options: NA

Ans: 365. kis yojana ke phalasvaroop bhaarat ka vibhaajan hua?— mauntabetan yojana ke phalasvaroop, 365. kis yojana ke phalasvaroop bhaarat ka vibhaajan hua?— mauntabetan yojana ke phalasvaroop

Which of the following should be used when you want to add a slide to an existing presentation?
Options: a. File, add a new slide b. Insert, New slide c. File Open d. File, New

Ans: – B , – B

Which bitwise operator is suitable for turning off a particular bit in a number?
Options: && operator,    & operator,    || operator,    ! operator

Ans:B ,B

3.In uni-processor scheduling :A : Turnaround time, B : Response time, 1: A time interval between the submission of a process and its completion. 2: For interactive process, it is a time from the submission of a request until the response begins to received. 3: It includes actual execution time plus time spent waiting for resources.
Options: (A)A – 2, 2, B – 3 (B) A – 1, 3, B – 2 (C) A – 2, B – 1, 2 (D) A – 2, B – 1, 3 11

Ans:113. (B),113. (B)

Who is remembered as the pioneer of economic nationalism?
Options: NA

Ans:R.C. Dutt,R.C. Dutt

.  In a module, the VB Name used to display a warning query icon is _______.
Options: a.            vbCritical b.           vbInformation c.           vbExclamation d.            vbQuestion

Ans:– d,– d

Which of the following is not the part of standard office suite?
Options:  A) Word Processor, B) Database, C) Image Editor, D) File manager, 


. Who is credited with the idea of using punch cards to control patterns in a waving machine?
Options: A) Pascal B) Hollerith C) Babbage D) Jacquard


When the graph of current versus voltage is a straight line, the device is referred to as
Options: Active,    Linear,    Nonlinear,    Bipolar

Ans:B ,B

8.The memory address of the first element of an array is called
Options: (A)base address (B) floor address (C) foundation address (D) first address 114 | 4

Ans:48. (A),48. (A)

Excessive secretion from the pituitary gland in the children results in
Options: increased height,    retarded growth,    weakening of bones,    None of the above


What will be the output of the program? #include<stdio.h> int main() { typedef int arr[5]; arr iarr = {1, 2, 3, 4, 5}; int i; for(i=0; i<4; i++) printf("%d,", iarr[i]); return 0; }
Options: 1, 2, 3, 4,    1, 2, 3, 4, 5,    No output,    Error: Cannot use typedef with an array

Ans:A ,A

The preamble to our constitution provided that India is
Options: a sovereign, socialist and democratic republic,    a sovereign, socialist, secular and democratic republic,    a sovereign republic with a socialist pattern of society,    a socialist, secular and democratic republic


86. A letterhead should contain all of the following EXCEPT ____.
Options: a. full street address b. logo c. complete legal name of the company, group, or individual d. None of the above

Ans:– D ,– D

114. hamaaree aakaashaganga ka naam kya hai ?
Options: NA

Ans: dugdh mekhala ya milkee ve, dugdh mekhala ya milkee ve

What is the number of bit patterns provided by a 7-bit code?
Options: 256,    128,    64,    512

Ans:B ,B

What command is used to assign executable permission to all of the files named "report"?
Options: chmod ugo + x report,    chmod u + x report,    chmod ugo + rw report,    chmod ugo + r report

Ans:A ,A

The model which explains the various types of igneous rocks
Options: rock cycle,    Bowens reaction series,    both are similar terms,    None of the above


. The option group ____ describes the contents of the entire option group.
Options: a. event b. frame c. label d. value

Ans:– c,– c

Page Up Key
Options: a. Moves the cursor one line up b. Moves the cursor one screen up c. Moves the cursor one page up d. Moves the cursor one paragraph up

Ans:–  B,–  B

What do the following declaration signify? int (*pf)();
Options: pf is a pointer to function.,    pf is a function pointer.,    pf is a pointer to a function which return int,    pf is a function of pointer variable.

Ans:C ,C

3.The mail box and ports are examples of
Options: (A)Indirect process communication (B) Direct process communication. (C) Both A and B true (D) None is true 13

Ans:133. (A),133. (A)

okseejan aur heeliyam gaison ka mishran
Options: NA

Ans: 386 homyopaithee ke sansthaapak kaun the?, 386 homyopaithee ke sansthaapak kaun the?

A floppy disk contains
Options: Circular tracks only,    Sectors only,    Both circular tracks and sector,    All of the above

Ans:C ,C

Most important advantage of an IC is its
Options: Easy replacement in case of circuit failure,    Extremely high reliability,    Reduced cost,    Low power consumption

Ans:B ,B

2.Intolerable risk is
Options: (A)Ability of two or more systems, to exchange information and to use the information that has been exchanged. (B) Time taken to respond to an event. (C) Either the hazard not arises, if arise; it will not result in an accident. (D) None of these 21

Ans:212. (C),212. (C)

. Which feature helps you to inserts the contents of the Clipboard as text without any formatting
Options: Paste Special B. Format Painter C. Page Setup D. Styles

Ans:– A ,

'Alice in Wonderland' the famous TV serial is based on a book written by
Options: Father Discoste,    Thomas Hardy,    Charles Dickens,    Lewis Caroll


Options: NA

Ans: 566. hrday kee dhadakan ko niyantrit karane ke lie kaunasa khanij aavashyak hai?, 566. hrday kee dhadakan ko niyantrit karane ke lie kaunasa khanij aavashyak hai?

What is the maximum distance with maximum data rate for 802.11a?
Options: About 65-75 feet,    About 90-100 feet,    About 150 feet,    Over 200 feet

Ans:A ,A

'A Voice for Freedom' is a book written by
Options: Corazon Aquino,    Nayantara Sahgal,    Aung San Suu Kyi,    Benazir Bhutto


The working principles of today's computers were provided by an English mathematician
Options: Charles Babbage,    Dr. Hollerith,    Donald Reach,    Ken Reider

Ans:A ,A

  To edit an already inserted embedded organization chart object by A.  Double Click on the organization chart object B.  CTRL + Click on the organization chart object C.  SHIFT + Click on the organization chart object D.  None of the above

Ans:– A ,