IUT ইসলামিক ইউনিভার্সিটি অব টেকনোলজি ভর্তি পরীক্ষা ২০১৬-২০১৭

The equation of motion of particle experiencing simple harmonie motion is x=10sin⁡(10t−π6) x = 10\sin(10t - \frac{\pi}{6}) m . What is the velocity of the particle at t = 1 s?

A bubble rises from the bottom of a lake of depth 80.0 m where the temperature is 4°C . The water temperature at the surface is 18°C . If the bubble's initial diameter is 1.0mm, what is diameter when it reaches the surface?

An astronaut wears a new watch when in a journey at a speed 2 × 108 ms-1 with respect to the earth .  According to the mission control the trip lasts 12.0h . How long is the trip as measured on the watch?

A flash light is powered by two 1.5V batteries in series with internal resistance of 0.1Ω. The wire connecting the batteries with the lamp has  total resistance of 0.4Ω and the lamp filament has  a resistance of 9.70 Ω at normal operating temperature. What is the power  absorbed by the lamp?

How high does a mercury barometer stand on a day when atmospheric pressure is 98.6 kPa?

Two parallel circular plates radius 0.08 m are placed in air.The distance between the plates is 0.0002 m and are kept at a potential difference of 100 V. What is electrical energy stored in the system?

A power station contains a heat engine operating between 2 heat reservoirs, one containing steam at 10°C and other containing water at 20°C What's the maximum amount of electrical energy which can be generated for each joule of the heat extracted from the steam?

The emitter and base current of a common emitter transistor circuit are respectively, 0.85 mA and 0.05 mA. What is β of the transistor?

A proton enters in a magnetic field of   6.0μT 6.0 \mu T with a velocity of   6.0×107ms−1 6.0 × 10^{7} m s^{- 1} . What is the magnetic force on the proton?

Three resistances, RA= 10 ohm,RB= 20 ohm and Rc=30 ohm are connected in series across a 60V source.How much power is consumed by RB?

An old wooden tool is found to contain only 6.0%6.0% of 14C^{14}\text{C} that a sample of fresh wood contains. How old is the tool? (Half-life of carbon is 57305730 years)

A centrifuge in a medical laboratory rotates at an angular speed of 3600 rpm.When the switch is off it rotates through 50 revolutions before coming to rest. What is the acceleration of centrifuge?

The ship shown in the following figure is moving at a constant velocity by a tugboat applying a force F1=50kN. Determine the force in each of BC & BD assuming θ1=20° & θ2=30°

Suppose you decide to drop a melon from rest from the first of the vision plan from of the Eiffel tower which is 58.3 m about the head of your friend who is standing just below you your friend shoots an a straight up at the same time with and initial velocity of 25.1 ms-1 what hide above your friends arrow head does the collision occur?

A resultant force F equal to 350 lb is necessary to hold the balloon in place assume that θ1 = 30° and θ2 = 40° the force is applied along the lines AB and AC as shown in the following figure the magnitude of forces along the lines AB and AC are?

A tennis ball is thrown straight up with an initial speed of 22.5ms-1. It is caught at the same distance above the ground. How high does the ball rise ?

Engineers are developing new types of guns that might someday be used to launch satellites as if they were bullets. One such gun can give a small object a velocity of 3.5Km.s-1 ,moving it through only 2.0cm Over what time interval does the acceleration take place?

A player kicks a football from ground level with an initial velocity of 27.0 ms-1, 30° above the horizontal. Find the range of ball (assume negligible air resistance)

The intensity level of sound produced by one lathe machine is 90.0dB. If two such machines start operating at the same location, what is the intensity level of the sound produced by the machines?

Two sources are producing sound in a medium with frequencies 480Hz and 360 Hz , respectively. The difference in wavelength corresponding to those two frequencies is 2 m. What is the velocity of sound in that medium?

A small fish is at a depth of 2.0m below the surface of a still pond. What is the apparent depth of the fish as viewed by a kingfisher near surface of the pond?

A wild rose 1.2 cm in diameter is 90.0 cm from a camera's zoom lens. The focal length of the lens has a magnitude of 150.0 mm.What is the distance between the lens and the camera film where the image of the rose is formed?

A door bell has a transformer to deliver 8.5 V to it when connected to a 220V mains.If there are 50 turns on the secondary of the transformer, how many turns does the primary have?

An ideal transformer has 500 turns in the primary and 250 turns in the secondary. If the average power input to the primary is 100 W,what is the average output power?

A 125m long power line is horizontal and carries a current if 2500 A.The earth's magnetic field at the location is 0.52 mT directed downward. What is magnetic force on the line?

The nichrome heating element of a toaster has a resistance at 12Ω when it's red hot (1200°C). What's the resistance of the element at room temperature (27°C)? [temperature coefficient of resistance of nichrome is 0.4×10-3 °C-1]

Which one of the following is not away to increase octane number?

Which one of the following groups is not true in the case of electro negativity order?

Which of the following salts is soluble in water?

Which of the following lights has the highest wavelength range?

If acid rain happens at IUT, what will you use to make the soil normal?

According to Acid's strength, which one of the following statement is not true?

During the manufacturing process of a Sulfuric acid, As2O3 acts as a-

Which on of the following properties is not the general property of p-block element?

Solubility product of Al(OH)3 is  3.7×10−15 3.7 × 10^{- 15} .What will be the solubility of Al(OH)3 in mol/L unit?

If 4.25 mol H2 and 4.75 mol I2 is kept as a 1L flask and heated to 300°K then 6.7 mol HI is produced. Find equilibrium constant Kp and Kc .

What ratio of  [(NH3)/(NH4+)] is required for a buffer solution that has pH= 7.0? Ka value of NH4+ = 5.6 ×10-10.

Following equation is a part of preparing :  2CHCIF2→900CF2=CF2+2HCl 2 C H C I F_{2} \overset{900}{\to} C F_{2} = C F_{2} + 2 H C l

At 27°C temperature 1 mole of a gas has an average kinetic energy of 5.621×10-14 erg. How many molecules are there in 2 mols of that gas?