When positioning this feature of perspective projection, the centerline of the cone of visual rays should be directed toward the approximate center of the object:

The door of my house is toward east. From the backside of my house I drove straight 100 meters. Then turned right and drove for 100 meters and then turned toward left and drove 50 meters and reached my destination. In which direction am I from the starting point?

A

North-west

B

South-west

C

East

D

West

The orthogonal projection of the perspective centre on a tilted photograph, is called

A

Nadir

B

Isocenter

C

Principal point

D

Plumb point

For the given values of initial velocity of projection and angle of inclination of the plane, the maximum range for a projectile projected upwards will be obtained, if the angle of projection is

A

$$\alpha = \frac{\pi }{4} - \frac{\beta }{2}$$

B

$$\alpha = \frac{\pi }{2} + \frac{\beta }{2}$$

C

$$\alpha = \frac{\beta }{2} - \frac{\pi }{2}$$

D

$$\alpha = \frac{\pi }{4} - \frac{\beta }{4}$$

E

$$\alpha = \frac{\pi }{2} - \frac{\beta }{2}$$

The range of projectile on a downward inclined plane is ________ the range on upward inclined plane for the same velocity of projection and angle of projection.

A

Less than

B

More than

C

Equal to

D

None of these

The Cartesian equation of trajectory is (where u = Velocity of projection, $$\alpha $$ = Angle of projection and x, y = Co-ordinates of any point on the trajectory after t seconds.)

A

$${\text{y}} = \frac{{{\text{g}}{{\text{x}}^2}}}{{2{{\text{u}}^2}{{\cos }^2}\alpha }} + {\text{x}}\tan \alpha $$

B

$${\text{y}} = \frac{{{\text{g}}{{\text{x}}^2}}}{{2{{\text{u}}^2}{{\cos }^2}\alpha }} - {\text{x}}\tan \alpha $$

C

$${\text{y}} = {\text{x}}\tan \alpha - \frac{{{\text{g}}{{\text{x}}^2}}}{{2{{\text{u}}^2}{{\cos }^2}\alpha }}$$

D

$${\text{y}} = {\text{x}}\tan \alpha + \frac{{{\text{g}}{{\text{x}}^2}}}{{2{{\text{u}}^2}{{\cos }^2}\alpha }}$$

The angle of projection for a range is equal to the distance through which the particle would have fallen in order to acquire a velocity equal to the velocity of projection, will be

A

[[[

124λ তরঙ্গদৈর্ঘ্যের এক রঙা এক্সরে একটি কার্বণ ব্লক দ্বারা বিক্ষিপ্ত হয়। 180° তে এক্সবের বিক্ষিপ্ত বিকিরণের তরঙ্গদৈর্ঘ্যের মান নির্ণয় কর।(A monochromatic X-rays of wavelength 0.124λ is scattered by a carbon block. Find the wavelength of X-rays scattered through 180°)

A

0.0484 λ

B

0.1724 λ

C

0.0756 λ

D

0.0242 λ

E

0.0968 λ

Object-oriented code tries to minimize dependencies by moving responsibility for handling tasks away from _______ and toward the objects in the system.

A

server code

B

client code

C

machine code

D

procedural code

A sector of a circle of radius 5 cm is recast into a right circular cone of height 4 cm. What is the volume of the resulting cone?

A

12π cm2

B

33π cm3

C

32π cm2

D

4π cm2

The height and weighs of a solid cone are 6 cm and 2.7 kg. The weighs of a similar cone of 5 cm height is _____ .

A

9.75 kg

B

9.25 kg

C

6.25 kg

D

5.75 kg

When positioning this feature of perspective projection, the centerline of the cone of visual rays should be directed toward the approximate center of the object:

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